0.79*0.46+7.9*0.053+0.0079用简算怎么算?

发布时间：2021-03-16 06:01:02

0.79*0.46+7.9*0.053+0.0079用简算怎么算?

网友回答

0.79*0.46+7.9*0.053+0.0079
=0.79*0.46+0.79*0.53+0.79*0.01
=0.79*(0.46+0.53+0.01)
=0.79
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