-2.5+(-3.6)+2.5-0.4的计算过程
问题描述:
-2.5+(-3.6)+2.5-0.4的计算过程
答
-2.5+(-3.6)+2.5-0.4
=2.5-2.5-3.6-0.4
=0-0.4-3.6
=-4