580-283-117的简便计算?

2025-03-24 09:44:51
推荐回答(2个)
回答1:

简便计算过程方法如下

解:580-283-117
=580-(283+117)
=580-400
=180

回答2:

580-283-117
=580-(283+117)
=580-400
=180