用简便计算48*(5⼀6+5⼀8-5⼀12-7⼀16)

2025-04-24 07:12:52
推荐回答(1个)
回答1:

48*(5/6+5/8-5/12-7/16)
=48*(5/6-5/12+5/8-7/16)
=48*(5/12+3/16)
=48*5/12+48+3/16
=20+9
=29