计算题500道
- 1、下载文档前请自行甄别文档内容的完整性,平台不提供额外的编辑、内容补充、找答案等附加服务。
- 2、"仅部分预览"的文档,不可在线预览部分如存在完整性等问题,可反馈申请退款(可完整预览的文档不适用该条件!)。
- 3、如文档侵犯您的权益,请联系客服反馈,我们会尽快为您处理(人工客服工作时间:9:00-18:30)。
初一年级有理数计算题集
使用说明:本题集的制作初衷是为学生提供计算题目以便强化计算能力。
此题集共500道,1-445题为基本四则运算,建议每天做20道,如能保证答题准确率
在80%以上,说明计算能力比较过关。
446-500题为能力计算题目,涉及等差数列,等比数列,裂项等技巧,建议学完计算技
巧后再作题进行巩固。
要相信坚持总有回报,祝愿每位同学取得优异的成绩。
感谢学而思教研部老师的辛苦工作,由于时间有限,如有错漏之处,请批评指正。
1.
2.
3.
4.
5.
6.
7.
8.
9.
10.
11.
12.
13.
14.
15.
16.
17.
18.
19.
20.
21.
22.
23.
24.
25.
26.
27.
28.
29.
30.
31.
32.
33.
34.
35.
36.
37.
38.
23155(1)()()()
74148
.......
39.
31315(1)(1) ()()
42424
.......
40. 8)3(4)2(323......
41. 2)2(2)1(3210.....
42. 2)2(2)2(23322.......
43. ])3(2[
61124.....
44. ]2)33()4[()10(222......
45. ])2(2[
31)5.01()1(24.......
46. 20022003)2()2(...
47. 20052004(0.25)4..
48.
94)
211(42415.0322........
49. )2()3(]2)4[(3)2(223.........
50. 32(4)(75).....-
51.
52. ....574283......
53.
2225(3)[()](6)439
...-----
54. 31[2(10.54)].-----
55.
312123)
2122(3)
543(
31512..........
56. 295(3)(2)4....+-
57. 3(5)[2(6)]3005......
58.
2211(1)1339
...-
59. [124(310)]4...-
60. 32(3)4(3)15....-+
61.
4211[2(3)]
6―..--
62.
213502()15
...+-
63.
421632()
94
...-
64. ..1003212181215.20....
.
..
.
....
.
..
.
...
65.
21002212(1)1221|132|
......
....
()
66. 3483(1)(4)......
67.
3145()
2
..-
68.
2)
3121(36..
69.
24)
23(
942....
70. 5434361832411...
.
..
.
...
.
..
.
...
71. )12()
4332125(....
72. )4()
81()2(163......
73.
2111()()(2)(14)
236
.......+
74.
33[5(10.2)(2)]
5
........
75.
111122399100
......
...
76.
911321321...
.
..
.
...
77. ..124310(49).........
78. 4435222......()()
79. 32416210.....()()
80.
2153233
......()()()
81. 3342331.....()()
82.
232[3323]
43
......()
83.
1293123223
......()
84. )6(
23517235)34()
235(........
85.
15511512277227
....
...........
....
86. 23(2)(1)31(2)........[]
87. 3223(4)(9)0......
88.
31452
...()
89. 348311......()()
90.
32422()
93
....
91.
211[123]
6
.....()
92. 759015......()()()
93.
23420.2534
......()()()
94. ..
11731348126424
..
.......
..
95. ..
113700.2524.5525%
42
....
............
....
96.
333145
..
....
..
97. ......
525306
..
.........
..
98. ..
5411.5112153
..
.......
..
99.
13810.0434
....
.........
....
100. ....
3338878158777
....
.............
....
101.
1799918
..
....
..
102. ..
17.
984
..
.....
..
103. ......450.258......
104.
130.570445
....
.........
....
105.
7213.2329213
........
..................
........
106. ..
74948
..
107.
157556
..
....
..
108. ..
24912525
..
.....
..
109. ..
200420062005
..
110. ..
231243412
..
.......
..
111.
2211613325
........
...............
........
112.
173********
....
.........
....
113.
1173332127
..
.....
..
114.
15511521214142214
....
...........
....
115.
4555542792793
..
........
..
116. ..
71.7516
..
.....
..
117.
31231527
......
...........
......
118. ....
148121549
.....
119. ......1084.....
120. ....
1177
....
121.
294.558
...
122.
121311234
......
...........
......
123.
141315432251518
........
...............
........
124. ..
1347415620512
..
.........
..
125.
111111111111357357357357
............
.............................
............
126. 25(8)(1)....
127.
11()
128
...
128. 4(6)(3)...
129.
12()(3.25)
5
...
130.
313.5(0.7)(5)
5
.....
131.
112167342
....
........
....
132. ..
1230.1434
....
..........
....
133.
2212162()
2
....
134.
344411117777
....
..........
....
135.
211110.5210.5100.5323
......
..............
......
136.
21.8(1.8)
3
...
137.
114254
..
138.
1348(1)
124
....
139. 220.52(3)...
140.
113()
1234
...
141.
322322(2)()(2)2()
833
........
142.
4327221()()
1727173
..
........
..
143.
3777(1)()
48128
....
144.
241(7)(30)33.25134
......
145. 868635.28.642...-+
146.
200720092008
..
147.
199279
..
148.
762()(1.5)
3
..
149.
201020111()33
..
150. 201120102009(7)147(49)(7).......
151.
214.732(2.631)
33
..
.....
..
152.
421(3)(1)()
7315
.....
153. 812763189......()()
154.
13122(3)
2523
.........
155. ..
28[710.63]
3
..
..........
..
156.
151()
46
...
157.
2(0.8)
15
...
158.
15631218
..
....
..
159. ......1.51.80.80.9.........
160.
112133[2357]
32324
....
...........
....
161.
222115[1344]
33155
..
........
..
162. ..
43510.712150.7(15)
9494
.........
163.
45812605615
..
.....
..
164. ..
151********
..
.......
..
165.
142 81614
9
.....()
166.
12114.43.1830......())(
167.
41889365036.25525323......()
168.
53145119(20)(302.5)(151)119197131717132
....
..............
....
169. ..
5113(3[(2)5.17536.325]
3714837
..
...........
..
)
170.
53124(3)(3)(1)
6565
.......
171.
3511(114662
....)
172.
224411()(0.6)33535
..
.........
..
173.
7131441232555555
.......
174.
111632535.2523477
....
..........
....
175.
275315(3(2)(3)5(1)558125812
..
............
..
)
176.
211(1)
35
..
177. ..
56.5()
6
...
178.
314()(1)()
429
.....
179.
50.25(4)96
.....
180.
51()(3)
63
...
181.
421(3)(1)(1)
7314
.....
182.
12114()()(1)(1)(1)
23435
.
........
183.
31123.82.4799.6()(339)8873
.........
184. ..8[3.6(0.2)(0.4)1].........
185.
2231356(8)2(2)
4
..
..........
..
186. 5.7215.8..()
187. 0.47()
50347
...
188.
11(3)(5)
24
...
189.
1111(()()()
6432
........)
190. ..23632(2)3482(2)..........
191.
232111(32)4(0.5)(1)
325
............
192.
54()(3)(1)(2)
65
.......
193.
283256(1)(0.5)
81477
......
194.
3311112(2)332
......
195.
235()(4)0.25(5)(4)
8
........
196. 2(3)2...
197.
12411()()()
23523
.......
198.
11(1.5)42.75(5)
42
.....
199. 8(5)63....
200.
3145()
2
...
201.
25()()(4.9)0.656
......
202.
22(10)5()
5
....
203.
323(5)()
5
...
204. 25(6)(4)(8)......
205.
1612()(2)
472
....
206.
67()()51313
....
207.
211()1722
.....
208.
737()()
848
...
209.
21(50)()
510
...
210.
2(16503)(2)
5
.....
211. 32(6)8(2)(4)5.......
212.
21122()(2)
2233
.....
213.
199711(10.5)
3
....
214.
2232[3()2]
23
......
215.
232()(1)043
.....
216.
4211(10.5)[2(3)]
3
.......
217.
4(81)(2.25)()169
......
218.
215[4(10.2)(2)]
5
........
219.
666(5)(3)(7)(3)12(3)
777
..........
220.
235()(4)0.25(5)(4)
8
........
221.
23122(3)(1)6293
......
222.
32323(2)()()
32
.....
223.
13812711()3(2)()
23
......
224.
222172(3)(6)()
3
......--
225. ..43212(8)()(2)
2
.......
226.
81)4(2833....
227.
22100(2)(2)()
3
......
228. 22(3)(4)...
229.
22312()(0.8)
2
.....
230.
2232113()(2)()
32
.......
231.
232()(1)043
.....
232.
2162()
5
...
233. 2108(2)43......
234. ..551(0.4)(2.5).....
235.
251(1)(10.5)
3
....
236. (14)26(14)(16)8.......
237. (5.5)(3.2)(2.5)4.8......
238. (8)(25)(0.02).....
239.
1557()(72)
29612
.....
240.
11(2)()
32
...
241.
211(4)()
22
....
242.
51552040.65(31)
112280.52
..
.....
.
243.
2212113()12(4.53)()
233
..
................
..
244.
23242341()()()(1)32232
..........
245.
111512255()()16(1)
44543
....
.............
....
246. 20(15)(28)17......
247. 6523157....
248.
2113()(1)
3838
.....
249. (5.54)(3.2)(2.5)4.8......
250. 295(3)(2)4......
251.
32(1)(5)(3)2(5)............
252. 32432(2)(1)(2)(2).........
253. ..3(5)2(6)3005......
254.
222221()32()4(1)
3332
.........
255.
221313(5)()240(4)2354
..
.............
..
256.
1347()(154)
620512
.......
257.
3412()(5)
777
.....
258. (5.5)3.24.56.8....
259.
2238()(4)()(8)
595
.........
260.
11(13)(134)()
1367
......
261. ......224275543()7811
..........
..
262. ....23210022()(2)
3
........
263.
222172(3)(6)()
3
........
264.
2335(2)(10.8)114
..
...........
..
265.
201023)1()2(
161)1()
21()
21(......
.
..
.
.....
266. )
145()2(
52825
......
267.
7111(4)(5)(4)38248
......
268.
11(0.5)(3)6.75542
.....
269. (6)(4)(32)(8)3........
270.
1(5)(16)(2)
3
.....
271.
4321(2)(8)()(2)
2
.......
272. 322)
43(6)12(
7311....
.
..
.
.....
273.
111117(113)(2)
92844
.....
274. 235(4)0.25(5)(4)
8
..
..........
..
275.
1113|16|2(4)()
448
....
............
....
276. (9)(4)(60)12......
277. 230(3)3(2).....
278.
22312()(0.8)
2
.....
279.
37511()2532162
....
280.
2232113()(2)()
32
.......
281. 2333(2)(3)(1)(3).......
282.
3233112()()(2)
33
.......
283.
22131(2)2[()3]
245
.......
284.
13611754136227231...
285.
22)36()33(24)
12581(........
286.
2132()
5
..-
287.
222172(3)(6)()
3
........
288.
225(3)[()]
39
.....
289. 28(3)(2)....
290.
22100(2)(2)()
3
..----
291.
421232()
33
..--
292. 24(3)2(3)4......
293.
294.
295.
200612(1)(24)(22.75)
83
......
296. 103(1)2(2)4.....
297. 422(10)[(4)(33)2]......
298.
33422()
93
....
299.
2310110.25(0.5)()(1)
82
.......
300.
4321(2)(8)()(2)
2
.......
301.
222475(5)4(3)()(7)
811
............
302.
31{(3)[30.4(1)(2)]}
2
........
303.
421110.52(3)
3
.......()[]
304. 3334[(17)6][(5)3](2)........-
305.
332313[8(2)1](3)(2)
0.25
..........
306. 9.538(2|11.641.531.36|)......
307. 73.17(812.03|219.83518|)...
308. 1112(398)....
309. 95(945)....
310. 5.64.7|3.83.8.....|
311.
1213521(36)(16)(45)(10)
27277
........
312.
5211()(2)(4)
319152
......
313.
555()83()(13)()28666
.........
314. 23181920222...222......
315.
111...
133519971999
...
...
316.
317.
318.
319.
320.
321.
322.
2(16503)(2)
5
.....
323.
324.
325.
326.
327.
19971(1)(10.5)
3
.....
328.
329.
330.
331.
332.
333.
42311[ 2(3)]
6
......
334.
7574.037127.5371236)
9618
......(
335.
2212[3()0.8](2)
35
......
336. ...
.
..
.
..
..
.
..
.
..
....
3825583521()
337. [(3)(4)5][82(6)]4..........
338. ......824134()()
339. ()[()()]......11551135
340.
42991310.25(1)123.7524283
....
.............
....
341. 1311143343411
....
342. ...
.
..
.
..
....
.
..
.
..
1133411334
343. ..........22222233
344. 1235342123341822
....
.
..
.
..
...
.
..
.
..
.
.
..
.
.
..
.
.
..
..
.
..
..
345. .............22331349722232()|()()|||||
346.
13525(2)
2514
..
........
..
347.
234(1.5)1243
..
.......
..
348.
34311(1)
2
....
.........
......
349.
210.23435.35
....
..........
....
350.
222243(3)(5)(0.3)0.95
..
.............
..
351. ..11232311412243
...
.
..
.
..
..
.
.
...
.
..
...
.
..
.
..
352. 71957180251411313...
.
..
.
..
....
.
..
.
..
353. ..........
.
..
.
..
11234021341435..
354. ....11160752116340534
...
.
..
.
..
..
...
...
....
.
..
.
..
..
355. ()...
.
..
.
..
......
.
..
.
..
.
.
..
.
.
..
....
.
..
.
..
.
..
.
..
212341351499113192222
356.
4211(10.5)2(3)
3
...........
357. 33423(1)(1)......
358.
33510.2(2)
5
....
............
....
359.
12(17)1(0.6)
4
..
.........
..
360.
2311(10.6432).........
361.
3213322.2512853
..........
..................
............
362. ..261(0.4)(2.5).....
363.
362211362
....
.......
....
364.
1448551836615335175123192155.....
.
..
.
..
...
.
..
.
..
.
.
..
.
..
.....
365. ......222410.43.12.610.30.15
......
..................
......
366.
513113(50)217348
......
.............
......
367. ..
11572348126824
..
.......
..
368.
4535522723723237
......
..............
......
369. ..
199719996661998
..
.....
..
370.
23353(5)32(2)|46|20.6258
..
..............
..
371.
4946111(3)20.24911235
......
...............
......
372.
2782411813318833....
.
..
.
..
373. )2()2(
2123322......
.
..
.
...
374. ..
.
..
.
...
.
....
.
..
.
...
.
..
.
...
.
..
.
.
2135322132213122
375.
..87216543313113)1(
61)5.4(
187********
.
..
.
..
.
....
.
..
.
......
.
..
.
.
.......
.
..
.
.
376. )57(
5857
..
377. ..4443145...
378. 494953157.04953843.0...
.
..
.
....
379. ..3330037..
380. ......199084481990199014181990..........
381. ....999999999999999999......
382. ..........149297483149297483...........
383. ......
...
...
...
.
..
.
....
.
..
.
....
.
..
.
......2314.0411432417
384. ..
..
.
.
..
.
.
...
.
..
.
...
..
..
.
..
..
.
..
.
..
.
........
.
..
.
...12122211341125.022*******
385.
..
41611143125.1012112310013
.
..
..
.
..
.
...
386. 199519953(0.125)[(2)]..
387.
25413()(0.612)()
651010
.....
388.
.........
........................
...
389. 232006333...3....
390. 199720002000200019971997...
391. 22222221949195019511952...199719981999.......
392. 22221111(1)(1)...(1)(1)
23910
....
393.
1111...
12123123100
....
......
394. 987654321987654324987654323987654322...
395.
1121231299()()...(...)
233444100100100
..........
396.
32)
65()
43(
21
......
397.
38(4)(2)
4
..
........
..
398.
111135()
532114
....
399.
34153()
2
....()
400. 42223721......()()
401. 1031224.....()()
402.
2395525
.....()()()
403.
333(125)()62187()
777
........
404.
2725.0)
431(
218)
522(
52
........
405.
311252525424
......()
406. 38(4)23....
407. 22733(3)....
408. 4435(2)2(2)......
409. (28)(64)(1)5.......
410. 2(2)07(8)(2)........
411.
13131()24524864
..
.......
..
412. 2332312(3)(2)(9)3.......
413.
222122(1)
33
....
414. 32432(2)(1)(2)(2).........
415.
416. 75.61258)
431(
121
.....
417.
418.
75)
21(
212)
75(
75211.......
419. 4)2(
51232.....
420. 50)3(15)3(42......
421.
3211(10.5)2(3)
7
...........
422.
22)7()6(
6112119750....
.
..
.
....
.
..
.
...
423. ..
3521325.06.05.2)1(..
.
..
.
.......
424.
425.
419932(4)(1416)
41313
..
........
..
426.
33221121(5533)
2
2
......
............
........
427.
2375(2)(10.8)114
..
............
..
428.
151623
.....()()()
429. 42(3)60.25......
430.
3(5)[1.85(21)7]
4
.....
431. ..18{10.4 (10.4)0.4}.....
432.
1111()
636
...
433. –3[4(43.51)][2(3)]........
434. ..3.57.754.251.1...
435.
321612115()|(2)|(2)(|()|)
2114332
..
..............
..
436.
1110.125(3)(3)()(0.25)
488
........
437.
5215[(9)]317.75632
......
438.
1211[3()1](8)8233
........
439.
7211()(4)
9353
......
440. 78(0.125)8..
441. 4010(0.25)256.
442. 12(3)(4)56(7)(8)(23)(24).................
443.
1111111142648620102008
.........
444.
1111(1)(1)(1)(1)
2009200820071000
.........
445. 19(7)128(7)33(7)........
446.
111111223344556
....
.....
447.
111......
101111125960
...
...
448.
2222109985443
....
....
.
449.
111111212312100
....
......
..
.
450.
111113355799101
....
....
.
451.
1111251335572325
..
.......
......
.
452.
2512512512512514881212162000200420042008
.....
.....
.
453.
3245671255771111161622222929
......
......
454.
11111111()1288244880120168224288
........
455.
11111111612203042567290
.......
456.
11111113610152128
......
457.
1111111112612203042567290
........
458.
11111104088154238
....
459.
1111135357579200120032005
....
........
.
460.
74.50.1611111813153563133.753.23
..
..
......
....
.
461.
11111123420261220420
......
462.
11111200820092010201120121854108180270
....
463.
1122426153577
....
464.
1111111315356399143195
......
465.
15111929970198992612203097029900
........
466.
111123234789
...
......
.
467.
1111232349899100
...
......
.
468.
1111135246357202224
....
........
.
469.
4444......
135357939597959799
....
........
470.
999897112323434599100101
....
........
.
471.
11111123423453456678978910
........
...............
472.
333......
1234234517181920
...
.........
473.
57191232348910
...
......
.
474.
5717191155234345891091011
.....
........
.()
475.
3451212452356346710111314
....
............
.
476.
12349223234234523410
.....
.........
.
.
477.
123456121231234123451234561234567
.....
.....................
478.
23993!4!100!
....
479.
234501(12)(12)(123)(123)(1234)(12349)(1250)
....
....................
.
..
480.
2341001(12)(12)(123)(123)(1234)(1299)(12100)
....
...................
.
..
481.
23101112(12)(123)(1239)(12310)
....
...............
.
..()
482. 22222211111131517191111131
.....
......
483. 222222111111(1)(1)(1)(1)(1)(1)
23454849
.............
484. 222222223571512233478
....
....
.
485.
222222222231517119931199513151711993119951
.....
.....
.....
.
486.
22222222222213243598100213141991
....
....
....
.
487.
22221235013355799101
....
....
.
488.
5667788991056677889910
.....
....
.....
489.
36579111357612203042
......
4
90.
1325791011193457820212435
........
491.
123791117253571220283042
.......
492.
1111120102638272330314151119120123124
.........
493.
35496377911053116122030425688
....
...........
....
494.
57911131517191612203042567290
........
495.
11798175451220153012
......
496.
22222222122318191920122318191920
....
......
....
497.
11112007111(......)(......)
120072200620062200712008120062200520061
........
.......
498.
11111123459899515299
.......
...
..
499.
24612335357357911
....
.......
.
500.
28341112222221335571719135357171921
..
..........
............
..
1.
45
.
2.
8584
.
3.
599105
.
4. 6
5. 0.4
6.
1427
7. -10
8. 25
9. 9
10. 13.34.
11. 2.
12.
364
.
13. 31.5.
14. 4
15. 175
16. 25
17.
517
18. 31
19. 83
20. 4.7
21.
350
22.
243
.
23. 4.22.
24. 2.
25.
76
.
26. 503
27. 63.
28.
11511
.
29.
14110
30.
2113
31. 154000
32.
56
.
33.
7118
34.
10413
35.
454
36. 25.
37. 11.
38. 1.
39.
136
40. 52.
41. 0
42. 6.
43.
16
44. 92
45.
43
46. 20022.
47.
14
.
48.
162
.
49.
1572
.
50. 4.
51. 0
52. 4
53. 20.
54. 30.
55.
243
56. 7.
57. 1060.
58.
12
.
59. 10
60. 27.
61.
16
62.
12
.
63.
8116
.
64.
518
65.
5320
.
66. 261.
67.
548
68. 1
69. 81.
70.
2396
71. 4.
72.
122
.
73. 51.
74.
11225
75.
99100
76.
12
.
77. 8.
78. 13
79.
1245
80. 2
81. 45
82.
1284
83. 27
84. 5
85.
52
86. 7.
87. 1.
88.
548
89. 6.
90. 8.
91.
112
.
92. 41
93.
132716
.
94. 2
95. 100
96. 6.
97. 250.
98.
29
99. 5.03
100. 0
101. 899.5.
102. 1.995
103. 40.
104. 35.3
105.
6445
.
106. 199.5.
107.
1156
.
108. 1245
109.
200420042005
.
110. 4.
111.
83
112.
13
.
113.
17
114.
54
115.
25243
.
116.
14
.
117.
215
.
118.
1615
119. 5.
120. 49
121.
85
.
122.
4225
.
123.
38
.
124. 6
125. 0
126. 64
127.
524
.
128. 486.
129. 0.85
130.
2716
.
131. 29.
132.
6118
.
133.
272
.
134. 3
135. 1.
136.
4415
137.
3920
.
138. 80.
139. 7.
140.
15
141.
123
142.
519
.
143.
13
.
144. 260
145. 2580
146.
200720072008
.
147. 2676.
148.
23
.
149. 3
150. 0
151. 3.36
152.
17
.
153. 7
154.
334
155.
3575
156.
2512
.
157.
1415
.
158.
29236
159. 0.4.
160.
364
.
161.
1103
.
162. 43.6.
163. 94.
164.
1113
.
165. 1
166. 24.5
167.
74550
168. 772.
169.
313148
170.
263
.
171.
14
172.
315
.
173. 0
174.
1263
.
175.
536
.
176. 2.
177.
6512
178.
12
.
179.
152
180.
14
181. 2.
182. 1.
183. 0
184. 4.48.
185. 261
186. 10.08.
187. 3.47
188. 8.75.
189.
14
190. 46
191.
35
192. 1
193.
1312
194.
1116
195. 90.
196. 18.
197.
15
.
198. 0
199. 23.
200.
548
201.
1315
202. 8.
203. 45.
204. 28.
205.
97
206. 6.
207.
127
208.
17
.
209. 25.
210. 31.3
211. 1
20.
212.
112
.
213.
76
.
214. 9
215.
916
216.
16
217. 1
218.
132025
.
219. 0
220. 90.
221.
34
.
222. 12
223.
32
224. 85.
225.
122
.
226. 8
227. 22
228.
916
229.
12564
230. 31
231. 0
232.
155
233. 20.
234. 2.
235.
76
.
236. 10.
237. 11.
238. 4.
239. 14.
240. 12
241.
172
.
242.
3512
243.
43
.
244. 7
245.
172
246. 24.
247. 50.
248.
12
.
249. 11.04.
250. 7.
251. 5.
252. 10.
253. 1060.
254.
183
.
255. 1.
256. 6
257.
1427
258. 13
259.
889
.
260. 2.
261. 0
262. 14
263. 85.
264.
1175
.
265.
34
.
266.
32
.
267.
364
.
268. 4
269. 25
270.
16
.
271.
122
.
272.
169196
.
273. 58.
274. 90.
275.
5615
.
276. 31
277. 24
278.
12564
279.
350
280. 31
281. 4
282.
87227
.
283. 24
284. 25
285. 16.
286.
125
287. 85.
288. 11.
289. 10.
290. 22
291.
1087
.
292. 342.
293.
15
.
294. 0
295. 0
296. 0
297. 9992
298.
163
299.
518
300.
122
.
301. 0
302. 30.3
303. 2
304. 20
305. 43.
306. 11
307. 1.03.
308. 8
309. 50.
310. 8.5.
311. 66.
312.
13
.
313. 35.
314. 6
315.
9991999
316.
548
317.
1315
318. 8.
319. 45.
320. 28.
321.
97
322. 31.3
323. 120.
324. 90.
325.
34
.
326.
112
.
327.
56
328. 9
329.
916
330.
16
331.
132025
.
332. 0
333.
296
.
334. 8.5.
335.
34
336. 1
337. 7
338. 3.
339. 7.
340. 3
341.
716
342. 0
343. 8.
344.
143
.
345.
4419
.
346.
132
.
347. 9.
348.
18
349.
225
350. 38.1.
351. 1.5.
352. 2.94
353. 0.3.
354.
203
.
355.
1856
.
356.
16
357. 6.
358.
11225
359.
3343
360. 1.02.
361.
243
362. 2.
363. 1.
364. 10
365. 9.76.
366.
835
.
367. 0
368.
57
.
369.
213319993
370. 111
371. 16
372. 5
373.
134
374.
17136
.
375.
12
376.
15658
.
377.
1143
378. 152
379. 900.
380. 199000
381. 0
382. 1
383. 0
384.
5212
385.
5204
386. 1.
387.
2536
.
388.
1898
389.
2007332
.
390. 0
391. 3897326
392.
1120
393.
200101
394. 2.
395. 2475
396.
54
.
397. 48.
398.
225
.
399. 125.
400. 2.
401. 0
402.
1253
403. 0
404.
38
.
405. 25
406.
192
407. 30
408. 13
409. 9
410. 17.
411.
5124
412.
123
.
413.
23
.
414. 10.
415. 5.
416.
1132
.
417.
1175
.
418.
52
419.
174
420. 9.
421.
12
.
422. 1
423.
118
.
424. 58.
425. 36
426.
1949
427. 32.8.
428.
16
.
429. 34.
430. 50.
431. 30
432. 1.
433. 14.5
434.
8511
435.
137244
436.
18
437.
54
.
438.
596
.
439. 3
440. 8.
441. 1
442. 24.
443.
5021005
444.
9992009
445.
767
446.
56
447.
112
448.
715
449.
991101
450.
50101
451. 12
452.
211532
453.
12
454.
4289
455.
25
456. 原式
111111212312341234567
......
............
.
2221233478
.....
...
.
111111122233478
..
..........
..
.
1218
..
.....
..
74
.
457.
110
458. 原式
1111
1255881111141417
.....
.....
111111111113255881111141417
..
.............
..
1115321734
..
......
..
459. 原式
11111114133535572001200320032005
........
...............
..............
.
11110040034132003200512048045
..
......
....
460. 原式
791611111182901133557791331.2540.83
.
..
..
.......
..........
71111111461123357913123
.
..
..............
...
4631824429
....
23=
36
461. 原式 ..
1111112320261220420
..
.............
..
..
11111210122334452021
.......
.....
.
11111112101223342021
...........
12021012102121
....
462. 原式
1111120082009201020112012366991212151518
..........
.....
1111111201059122356
..
............
..
.
51005054
.
463. 原式
132537511726153577
....
.....
1111111112233557711
.........
11011111
...
464. 原式
11111111335577991111131315
.......
.......
11111111121323521315
......
................
......
.
1112115
..
.....
..
715
.
465. 原式
1111111126129900
........
.................
........
.
11199122399100
..
.......
.....
.
1111199122399100
..
..........
..
.
1991100
..
.....
..
198100
.
466. 原式
11111111121223233467787889
..........
....................
..................
.
1112128935144
..
.....
....
.
467.
494919800
468.
38625340032
469.
32009603
470. 原式
100100100100111...(...)
123234345991001012334100101
.........
...........
1111151100()()2422101002101101
.......
471. 原式
111111131232342343457898910
..
..........
..............
.
11131238910
..
.....
......
1192160
.
472. 原式
11111113[(...)]
3123234234345171819181920
.........
............
1131920111391231819201819206840
...
....
......
473. 原式
32343161232348910
...
....
......
.
1111283212323489101232348910
....
..............
................
..
111111111132212232334899102334910
....
..................
.............
..
31111111122129102334910
....
...............
......
.
3111122290210
....
..........
....
7114605
...
2315
.
474.
571719234345891091011
....
........
.
所以原式.
233491023434591011
...
....
......
.
111111342445351011911
.......
......
.
111111344510112435911
....
............
..........
..
11111111111111111344510112243546810911
....
.......................
....
..
11111113112210311
....
...........
....
8128332533
..
......
..
3155
.
31115565155
...
475. 原式
2222345121234523456345671011121314
.....
................
.
154264374101441234523456345671011121314
........
.....
................
.
111123434545611121344441234523456345671011121314
..
.......
..........
..
.......
..................
.
.
11111112233434451112121311111112342345234534561011121311121314
..
..........
........
..
.........
....................
.
.
111
112231213123411121314
....
.........
............
111112212132411121314
....
.....
1771811121314
.
..
...
11821114
..
..
11758308616
...
476. 原式
12349223234234523410
......
.........
.
.
21314110122323423410
....
.....
......
.
.
111111112223232342349234910
.........
...........
.
..
1362879912349103628800
...
.....
477. 原式
13141516171121231234123451234561234567
.....
......
.....................
111111121212312312341234567
.......
...............
.
11112121234567
...
........
115040
..
50395040
.
478. 原式
23991231234123100
....
.........
.
.
314110011231234123100
...
....
.........
.
.
11111112123123123412399123100
.......
................
.
..
1112123100
..
......
112100!
..
479. 原式=++++…+
213.
336.
4610.
51015.
5012251275.
=()+()+()+()=
11
.
13
13
.
16
16
.
110
11225
.
11275
12741275
480. ,,……,
2111(12)112
..
...
311(12)(123)12123
..
.......
,所以
原式
10011(1299)(12100)129912100
..
.................
1112100
..
....
15049150505050
...
481. 原式
234101()
133********
......
....
.
1111111113366104555
..
............
..
.
11155
..
.....
..
155
.
482. 原式
111111()()()()()()
24466881010121214
......
......
1111111111111()
244668810101212142
.............
1113()
214214
....
483. ,,……所以, 2111131(1)(1)
22222
.......2111241(1)(1)
33333
.......
原式
1324485022334949
........
1502524949
...
484. 原式
22222222222222222132438712233478
....
.....
....
.
2222222111111112233478
..........
2118
..
6364
.
485. 原式 2222222222111113151711993119951
..........
.....................
...............
.
222997244619941996
..
.......
.....
.
111111997244619941996
..
..........
..
.
1199721996
..
.....
..
9979971996
.
486. ,,,……由于,,,
2221310213
.
.
.
2222420318
.
.
.
22235344115
.
.
.
104233
.
204288
.
34421515
.
可见原式
222244442222213141991
.....
....
.
1111298413243598100
..
..........
......
.
111111111964123243598100
..
..............
..
.
11119621299100
..
........
..
199196329900
....
47511984950
.
487. 原式
22222222124610042141611001
..
........
......
.
222211111111142141611001
..
............
......
.
1111150413355799101
..
.........
......
.
111111111501423355799101
....
................
....
.
11150142101
....
.........
....
150504101
..
6312101
.
488.
56677889910111111113()...()
56677889910566791051010
.....
..............
.....
489. 原式==
36233445566736111111...
57233445566757233467
.....
...............
.....
4
490. 原式
13257111111213457845373857
.............111115......
491. 原式
12311111121133573445475667
.............
111121231
31113366555777444
........
.....................
........
334
.
492. 原式
11111111111111123303141317717430341431
..........
.........................
..........
11111112337434
.......
127
.
493. 原式
5791113153718612203042568
....
.............
....
11111111782334788
....
..............
....
.
1111788288
..
........
..
211110...
494. 原式
23344556677889910123344556677889910
........
.........
........
11111111111111111()()()()()()()()
23344556677889910
.................
11312105
....
495. 原式
111111112111453445355646
............
111124523456
........3.
496. 原式
1232341918192021919...217362123431819201912020
................
497. 原式=
2008111200711(...)(...)
200812007220062007120081200620061
.......
.....
=
=
=
=
=
2008111200711(...)(...)
200812007220062007120081200620061
.......
.....
1200820082008120072007(...)(...)
200812007220062007120081200620061
.......
.....
11111111111[(...)(...)]
20081200722006200711200620061
............
11111111111[(...)(...)]
20081200722006200711200620061
............
1111()
2008200720072015028
...
498. 原式
11111111124983599515299
......
..................
......
...
111111111224503549525498
......
..................
......
...
11111111124503549262749
......
.................
......
...
111111111122424352526284850
......
...................
......
...
11111111112424352513142450
......
..................
......
...
111111111112241235111416245025
......
....................
......
...
111111111112412351178125025
......
...................
......
...
1111111111224635810125025
......
.................
......
1111111111246354565025
......
................
......
11491502550
....
499. 原式
31517113133535735791113
....
.....
........
.
111111133535791133535791113
....
............
...............
..
1135791113
..
.....
135134135135
.
500.
所以原式
3411992222244221353571719211335355717191921
..........
............
..
892242213355717191921
......
.....
.
889122224221335171913355717191921
..
............
..........
..
921512133379192113399399
.
....
..