58乘52⼀57的简便计算

2025-04-08 07:56:13
推荐回答(2个)
回答1:

58乘52/57
=(57+1)乘52/57
=57乘52/57+1乘52/57
=52+52/57
=52又52/57

回答2:

=57x52/57十1x52/57
=52十52/57
=52又52/57