0.83x101简便方法 财富值26

2016-04-07 18:04发布

4条回答

0.83X100+0.83

0.83x101

=0.83×(100+1)

=0.83×100+0.83×1

=83+0.83

=83.83

    0.83 X 101

= 0.83 X ( 100 + 1)

= 0.83 X 100 + 0.83 X 1

= 83 + 0.83

= 83.83

0.83x101

=(100+1)x0.83

=100x0.83+1x0.83

=83+0.83

=83.83

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