8⼀9ⅹ[3⼀7÷(2⼀3+1⼀7)] =

2025-06-23 00:42:47
推荐回答(1个)
回答1:

计算过程如下:
8/9ⅹ[3/7÷(2/3+1/7)]
=8/9ⅹ[3/7÷17/21]
=8/9ⅹ3/7ⅹ21/17
=8/17