分数混合运算与解方程

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四则混合运算和解方程练习

425 -(2.5+1.9)×(0.5-0.5) 42

5 -2.5+1.9×(0.5-0.5) 425 -2.5+1.9×0.5-0.5 [42

5 -(2.5+1.9×0.5)]-0.5 [425 -(2.5+1.9) ]×(0.5-0.5) [42

5 -(2.5+1.9) ×0.5]-0.5 1213 -412 -214 -518 -12.5% 0.125×34 +1

8 ×8.25+12.5% (78 +1316 )÷1316 2.5×37 ×0.4×213 15314 -2.25-734 89 ×[1516 +(716 -14 )÷12 ] 10×[(45 -0.5) ÷37

]

(2.7-4.25×25 )÷2.8×4

7

1.25+114 ×7.4+125%÷ 5

8 10-4.68÷7.2+0.05

157 ×(5÷56 -56 ÷5) 18.09×[(1.5+223 )÷3.75-2

3 ] 0.84÷0.3÷(1.96×18.9) 56 -(0.15+9

20 ) ÷1.8

1325+540÷18×15 3.8+1

314 +6.2+327

2.5÷8+9.5×18 +4×0.125 [2.1+7÷(3112 -1.625)] ×12

3

2.5×25 -2.1÷13 +9.63 (713 +713 ×2+71

3 )÷4

27 ×[(413 -3.5) ÷58 ] (234 +23 -15

6

)×12 2.5÷8+3.5×1

8

+0.125

(9.5+912 +912 +9.5) ×1212 313 -(157 +18 ÷134 )×12

5

[(0.05+14 )÷0.25-25 ]×125% 382+498 381

382 498-116

5.35×0.25+2.65×1

4

(313 +34 -258 )÷(115 ÷80%) (4.2÷0.7+6×125 )×5

26

五年级下学期分数脱式混合运算及解方程

一、分数脱式计算题(能简算的要简算,计算结果必须是最简分数)

(1)328

554÷⨯ (2)223751415÷÷ (3)2112732⨯÷

(4)

1549845⨯÷ (5)16

13

4387÷⎪⎭⎫ ⎝⎛+ (6)⎪⎭⎫ ⎝⎛-÷3121154

(7)

5324592181⨯+÷ (8)21

1575427⨯÷⎪⎭⎫ ⎝⎛- (9)76657668÷-÷ (10)241652143÷⎪⎭⎫

⎝⎛-+ (11)271094102795÷

+⨯ (12)9

4

954343÷⎪⎭⎫ ⎝⎛⨯- (13)32831495÷⨯ (14)724526613⨯

÷ (15)631

631⨯÷⨯ (16)53815387÷+÷ (17)72537553÷+÷ (18)5

6213256⨯-÷

(19)5435432÷⨯-

(20)324312111117⨯⎪⎭⎫ ⎝⎛-⨯ (21)5

6

47311⨯⎪⎭⎫ ⎝⎛⨯- (22)

6532132⨯⎪⎭⎫ ⎝⎛-÷ (23)7

5315265⨯⎥⎦⎤⎢⎣⎡⎪⎭⎫ ⎝⎛+- (24)521

4352÷-⨯ (25)

89315143⨯⎪⎭⎫ ⎝⎛+- (26)89131241÷⨯ (27)494

944÷-÷ (28)16

7839532÷⎪⎭⎫

⎝⎛⨯- (29)⎪⎭⎫ ⎝⎛+÷7253121 (30)⎪⎭⎫

⎝⎛+÷36127191 (31)311383÷⎪⎭⎫

⎝⎛+ (32)1177411773÷+÷ (33)9

1631451

÷⎪⎭⎫ ⎝⎛-

(34)

1744341741÷+⨯ (35)52753⨯ (36)4

3

3416385+⨯+ (37161316132413÷⎪⎭⎫

⎝⎛+) (38)1811895181913-÷+⨯ (39)⎪⎭⎫ ⎝⎛++⨯9161181144

(40)

⎪⎭⎫ ⎝⎛-⨯⨯9217341 (41)⎪⎭

⎝⎛+÷⎪⎭⎫ ⎝⎛-81614132 (42)76434378⨯+⨯ (43)3

1

738343⨯⎪⎭⎫

⎝⎛++ (44)127658196⨯⨯⨯ (45)9119191918⨯+÷

(46)

7154751⨯+÷ (47)⎪⎭⎫ ⎝⎛--÷4121141 (48)⎪⎭

⎝⎛++⨯9161181144

(49)

157211265⨯⨯ (50)1131155-÷ (51)9

4

12774÷⨯ 52)

2594385⨯÷ (53)⎪⎭⎫ ⎝⎛÷÷136143561 (54)16

93232167⨯+⨯

(55)

81788178÷+⨯ (56)913798379237⨯-⨯+⨯ (57)10

9

41185⨯⨯ (58)

542153⨯⨯ (59)⎪⎭⎫ ⎝⎛-÷⎪⎭⎫ ⎝⎛+211211 (60)1613161385÷⎪⎭⎫ ⎝⎛+

(61)

15412572⨯⨯ (62)41647257÷+÷ (63)241

813121÷⎪⎭⎫ ⎝⎛++ (64)6.0384-÷

(65)⎪⎭⎫ ⎝⎛--÷138135341 (66)5.95

1

545.9⨯+⨯

(67)

()⎥⎦

⎢⎣⎡-⨯÷25.125251 (68)374544⨯ (69)261527⨯ (70)8115173⨯ (71)9117164⨯ (72)211

20122⨯ (73)41532751⨯+⨯ (74)27433941⨯+⨯ (75)1765

3561⨯+⨯

(76)1361851329513165⨯+⨯+⨯ (77)9117594171⨯+⨯

(78)12

176********⨯+⨯+⨯

二、解方程 (79)

872141=+X (80)3112565-=÷X (81)4

1

10385=-X X (82)5

11

3254=⎪⎭⎫ ⎝⎛+⨯X (83)31474=+X X (84)1103103=+X

(85)525443=⨯⨯

X (86)812143=-X (87)116

111052=÷⨯X (88)3114175=⨯⨯X (89)982153⨯=X (90)5

3217=÷X

(91)

21614332+=+X X (92)103851=

-X (93)61511=⎪⎭⎫

⎝⎛+÷X (94)

()81054

=-X (95)24658=÷X (96)7

42756=⨯-X

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