6.5乘3.2十32乘0.35简便运算=6.5×3.2+3.2×3.5=（6.5+3.5）×3.2=10×3.2=32
6.5x3.2十32x0.35=6.5x3.2十3.2x3.5=3.2x(6.5+3.5)=3.2x10=32
=0.32(65＋35)﹦32
