(-0.5)-(-3.25)-2.75-(+7.5)怎么算
问题描述:
(-0.5)-(-3.25)-2.75-(+7.5)怎么算
答
-o.5+3.25-2.75-7.5= 3.25-0.5-2.75-7.5=-7.5
(-0.5)-(-3.25)-2.75-(+7.5)怎么算
-o.5+3.25-2.75-7.5= 3.25-0.5-2.75-7.5=-7.5