178-0.5-0.2怎么算?

2025-12-14 06:58:29
推荐回答(2个)
回答1:

178-0.5-0.2
=177.5-0.2
=177.3

回答2:

178-0.5-0.2
=178-(0.5+0.2)
=178-0.7
=177.3