12.5乘7.8乘0.8用简便方法算
问题描述：
12.5乘7.8乘0.8用简便方法算
答
12.5×7.8×0.8
=12.5×0.8×7.8
=10×7.8
=78
12.5乘7.8乘0.8用简便方法算
12.5×7.8×0.8
=12.5×0.8×7.8
=10×7.8
=78