546一(78+46)简便方法?

2024-12-30 02:14:29
推荐回答(2个)
回答1:

你好
简便计算过程如下
546-(78+46)
=546-78-46
=(546-46)-78
=500-78
=422
望采纳

回答2:

=(546-46)-78
=500-78
=422