五年级数学上册简便算法题及答案

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五年级上册简便算法题10÷3.14-6.86÷3.14

37.68÷0.25÷4 3.75-(2.75-1.3) 37.56-(18+7.56) 0.77÷14 4.5×9.8

0.7÷0.125

0.7÷0.25

2.5×

3.2×12.5

12.5×9.6×0.25 3.75-(2.8-1.25) 37.65÷0.4÷0.25 3.125÷8÷0.125 37.65-4.75-3.25 25×6.4×12.5

3.6×0.25

答案10÷3.14-6.86÷3.14 =(10-6.86)÷3.14 =3.14÷3.14

=1

37.68÷0.25÷4

=37.68÷(0.25×4) =37.68÷1

=37.68

3.75-(2.75-1.3) =3.75-2.75+1.3 =1+1.3

=2.3

37.56-(18+7.56) =37.56-7.56-18 =30-18

=12

0.77÷14

=0.77÷7÷2

=0.11÷2

=0.055

4.5×9.8 =4.5×(10-0.2)

=4.5×10-4.5×0.2

=45-0.9

=44.1

0.7÷0.125

=(0.7×8)÷(0.125×8)

=0.56÷1

=0.56

0.7÷0.25

=(0.7×4)÷(0.25×4)

=2.8÷1

=2.8

2.5×

3.2×12.5

=(2.5×0.4)×(8×12.5)

=1×100

=100

12.5×9.6×0.25

=(12.5×0.8)×3×(4×0.25) =10×3×1

=30

3.75-(2.8-1.25)

=3.75+1.25-2.8

=5-2.8

=2.2

37.65÷0.4÷0.25

3.125÷8÷0.125

37.65-4.75-3.25

25×6.4×12.5

=25×4×0.2×8×12.5 3.6×0.25

=(4-0.4)×0.25

3.4÷9+5.6÷9

=

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