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第110页

信息发布者：

5.1

2

0.015

11

5

10.4

0.09

0.15

0.36

6

0.08

0.4

0.19

0.58

9x

b²

3

25

1

1.6

验算：

验算：

=1.25×8×0.4

=10×0.4

=4

=21-0.2

=20.8

=57.5-18

=39.5

=4.2×(1+0.01)

=4.2+0.042

=4.242

=3.26

=0.912

≈0.41

=6.05

=1.8

=5.2

≈3.01

=1.96

=57.96

=0.16

=32

=0.3978

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