分数混合运算及解方程
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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+1314 +6.2+32
7
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 )×125
[(0.05+14 )÷0.25-25 ]×125% 382+498 381382 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)
(7)
5324592181⨯+÷ (8)211575427⨯÷⎪⎭⎫ ⎝⎛- (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)5214352÷-⨯ (25)
89315143⨯⎪⎭⎫ ⎝⎛+- (26)89131241÷⨯ (27)49
4944÷-÷ (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)⎪⎭⎫ ⎝⎛-⨯⨯
921734
1
(41)⎪⎭
⎫
⎝⎛+÷⎪⎭⎫ ⎝⎛-81614132 (42)76434378⨯+⨯
(43)31
738343⨯⎪⎭⎫
⎝⎛++ (44)127658196⨯⨯⨯ (45)9119191918⨯+÷
(46)715475
1
⨯+
÷ (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)9
1
17594171⨯+⨯ (78)
12
176********⨯+⨯+⨯
二、解方程 (79)
872141=+X (80)3112565-=÷X (81)4
1
10385=-X X (82)5113254
=⎪⎭⎫ ⎝
⎛+⨯X (83)31474=+X X (84)110
3
103=+
X (85)525443=⨯⨯
X (86)812143=-X (87)116
111052=÷⨯X (88)3114175=⨯⨯X (89)982153⨯=X (90)5
3217=÷X