0.75×65+四分之三×34+百分之七五怎么简便

2025-02-11 16:51:15
推荐回答(1个)
回答1:

0.75x65+3/4x34+75%
=0.75x65+0.75x34+0.75
=0.75x(65+34+1)
=0.75x100
=75