86.47-22.56-17.44,减6.47,有点面积算吗?如果有,怎么简便计算?

2025-04-06 15:52:20
推荐回答(1个)
回答1:

86.47-22.56-17.44
=86.47-(22.56+17.44)
=86.47-40
=46.47