简便!32.7*0.9+3.27

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简便!32.7*0.9+3.27简便!32.7*0.9+3.27 简便!32.7*0.9+3.2732.7×0.9+3.27=3.27×90+3.27=3.27×(90+1)=3.27×10

简便!32.7*0.9+3.27
简便!32.7*0.9+3.27
 

简便!32.7*0.9+3.27
32.7×0.9+3.27
=3.27×90+3.27
=3.27×(90+1)
=3.27×100
=327