0.83×3.6+8.3×0.64的简便算法0.83×3.6+8.3×0.64=8.3×0.36+8.3×0.64=8.3×（0.36+0.64）=8.3×1=8.3
=8.3X0.36十8.3X0.64=8.3x(0.36十0.64)=8.3x1=8.3
简便计算看下面的图片
