6.88×0.37+6.88×0.73-6.88的简便计算
问题描述:
6.88×0.37+6.88×0.73-6.88的简便计算
答
6.88×0.37+6.88×0.73-6.88
=6.88×﹙0.37+0.73-1﹚
=6.88×0.1
=0.688