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第74页

信息发布者：

B

D

B

B

B

A

A

9

800

0.3

10

0.02

64

10.37

502

0.8

=1.25×4×0.8×2.5

=5×2

=10

=7.8×10-7.8×0.1

=78-0.78

=77.22

=40+5.6×(1-1.7)

=40-3.92

=36.08

=3.5÷0.7÷0.2

=5÷0.2

=25

=1.89×(4×2.5)

=18.9

=(3.75+6.25)÷2

=10÷2

=5

=0.1111×3.2+0.1111×16.8

=0.1111×(3.2+16.8)

=0.1111×20

=2.222

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