12⼀17-3⼀8+5⼀17-5⼀8简便运算?

2025-05-19 01:26:45
推荐回答(2个)
回答1:

简便计算
12/17-3/8+5/17-5/8
=(12/17+5/17)-(3/8-5/8)
=1-1
=0

回答2:

12/17-3/8+5/17-5/8=(12/17+5/17)-(3/8+5/8)=1-1=0