Question

6.25×3.6+8/3×36+36用简便方法计算

6.25×3.6+8/3×36+36用简便方法计算

Answer 1

原式里面的8/3，应该是8分之3，即：0.375

=6.25x3.6+0.375x36+36
=0.625x36+0.375x36+36
=(0.625+0.375)x36+36
=1x36+36
=36+36
=72

供参考。