0.73-0.25-0.73+0.25用简便方法怎么算
问题描述:
0.73-0.25-0.73+0.25用简便方法怎么算
答
0.73-0.25-0.73+0.25
=(0.73-0.73)+(0.25-0.25)
=0+0
=0