请帮忙解答一下这一题,谢谢!6⼀7-6⼀7x1⼀2+2⼀3。

2025-01-07 09:58:14
推荐回答(3个)
回答1:

6/7-6/7x1/2+2/3
=67/×(1-1/2)+2/3
=6/7×1/2+2/3
=3/7+2/3
=9/21+14/21
=23/21
=1又21分之2

回答2:

23/21

回答3: