简便计算42.7-0.7×0.5-0.65

简便计算42.7-0.7×0.5-0.65
2025-04-05 20:32:39
推荐回答(1个)
回答1:

42.7-0.7×0.5-0.65

=42.7-0.35-0.65
=42.7-(0.35+0.65)
=42.7-1
=41.7
谢谢,请采纳