3⼀8乘6⼀7+6⼀7除以8等于

2025-04-24 09:07:17
推荐回答(1个)
回答1:

3/8×6/7+6/7÷8
=3/8×6/7+6/7×1/8
=6/7×(3/8+1/8)
=6/7×1/2
=3/7