2.62×6.9231怎么用简便方法算
2.62×6.9231
=2.62*6+2.62*0.9+2.62*0.02+2.62*0.003+2.62*0.0001
=
18.138522
标签：简便
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2.62×6.9231怎么用简便方法算
2.62×6.9231
=2.62*6+2.62*0.9+2.62*0.02+2.62*0.003+2.62*0.0001
=
18.138522
标签：简便
