3.58-2.4+0.42-0.6=( + )-( - )

问题描述:

3.58-2.4+0.42-0.6=( + )-( - )

(2.4+0.6)-(3.58-0.42)发错了,3.58-2.4+0.42-0.6=(+)-(+)(3.58+0.42)-(2.4+0.6)