1 - 5⼀8 ⼀ (3⼀4 +1⼀2)等于 要简算 急急急急急

2024-12-02 03:55:44
推荐回答(1个)
回答1:

1-5/8/(3/4+1/2)
=1-5/8/5/4
=1-5/8x4/5
=1-1/2
=1/2