小学六年级分数乘除法混合计算

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分数计算

1422()12()()? (2)= (3)1=1.化简:(1)(4)0.45?

()312()18()()转化:(1)122()23()3()==()(4)2= (2)=( )(3)

111()7()6()23()()()1132()++=通分:(1)+= (2)+==

341212()23()()()

23142×3×14()4144142()=约分:(1)××= (2)××2=××=

34213×4×21()7127121()2832()()28189()() (3)÷÷=××= (4)2??1=××=

3943()()39538()()

2.(1)

120142135125 (4)3??3 (5)?? (6)??

3957826159

24644272129?? (2)??2 (3)?? 2382298318243.(1)4?5?5 (2)

(4)

132512225914310+++ (3) +++ 7117112142148182312155×÷ (5) (×)÷(×) (6)(×)÷(÷7) 396171617165754.(1)÷3+

(4) 1

34181512311 (2)×-÷4 (3) 1×-÷ 51516103101051811381162511×+÷ (5)1×+÷ (6)×-÷ 410104042130105248105.(1)×[-(

8934712417-)] (2)+(+)× 16437225((3)

41133422?)?15?(?)?24 (4) 6×2-2÷

5541115568

(5)

5513118552×+÷3+8÷ (6)÷+ 18775757145 6.(1) 1

25412233821×+÷ (2)×+× (3)×(31+1)

93995171817151446921334(4)1×1+÷1+ (5)1.25×10+3÷+26.4×1.25

57553555

7.(1)3

1323-1.625 (2)3.8+1+6.2+3 (3)2.5××0.4 121477(4)2.1+7÷(3

112-1.625) (5)0.25+1÷2.4 (6)(2.5-1)÷3.75 12153

8.(1)(3.4-2)×1 (2) 1.375+2

1112(3)1÷80% (5)(0.68+3.72÷1-68%)× (6)9.6-(5 -1.4)

52029

543529.(1)1.75×+×1 (2)(3.6+1)×11

99473

187 (3)2÷0.5-1×0.75 (4) 0.2×(2.6+2.7×)

3910

171 (5)(1.4+)÷1.12 (6)(-0.25)÷

3162

23231351—2 (4)1.6-1.6×(2-×3)

241262310.(1)21-(17.6+2.05) (2) 11-1.175×10

34

123 (3)4.2×(-0.1÷2) (4)3.4-2×

4

(5)218-0.125+1 (6)4.92

11.(1)(1.88+2325)×0.125 (2)5.5

(3)157-(0.6+2.4÷223)

(5)(8.1×2193-10)÷3.6 (6)

34+6257+2.08+47

-1.75×(12193+21)

(1.625-23)×5.25

(3.91+337+6.09+6417)×(28-1.125) (4)

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