简便计算 7⼀8-(5⼀12-1⼀6)

2024-12-15 21:04:03
推荐回答(1个)
回答1:

7/8-(5/12-1/6)
=7/8-(5/12-2/12)
=7/8-3/12
=7/8-2/8
=5/8