0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算

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0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算
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0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算
0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算

0.87×100.01 1.25×0.025×2×0.5×0.32 简便计算
0.87×100.01
=0.87×100+0.87×0.01
=87+0.0087
=87.0087
1.25×0.025×2×0.5×0.32
=﹙1.25×0.8﹚×﹙0.025×0.4﹚×﹙2×0.5﹚
=1×0.01×1
=0.01

0.87乘以(100加0.01)

0.87✘100✘0.01✘1.25✘0.02✘0.005✘2✘0.5✘0.32