47+162-47+162简便运算怎么算?

2025-04-06 11:06:28
推荐回答(2个)
回答1:

简便计算
47+162-47+162
=(47-47)+(162+162)
=0+324
=324

回答2:

解:原式=47-47+162+162
=0+162+162
=0+324
=324