63.2*0.1+6.32*9=（简便计算）
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63.2*0.1+6.32*9=（简便计算）63.2*0.1+6.32*9=（简便计算）63.2*0.1+6.32*9=（简便计算）63.2*0.1+6.32*9=63.2（0.1+0.9）=63.2
63.2*0.1+6.32*9=（简便计算）
63.2*0.1+6.32*9=（简便计算）
63.2*0.1+6.32*9=（简便计算）
63.2*0.1+6.32*9
=63.2（0.1+0.9）
=63.2*1
=63.2
运用乘法分配律
63.2*0.1+6.32*9
=6.32*1+6.32*9
=6.32*(1+9)
=6.32*10
=63.2
63.2*0.1+6.32*9=63.2*0.1+63.2*0.9=63.2(0.1+0.9)=63.2*1=63.2
63.2*0.1+6.32*9
=63.2（0.1+0.9）
=63.2*1
=63.2
63.2*0.1+6.32*9
=6.32*1+6.32*9=63.2