4⼀5减1⼀6加1⼀2等于多少?(脱式计算)

2024-12-21 22:30:22
推荐回答(2个)
回答1:

4/5-1/6+1/2
= 4/5+(1/2-1/6)
= 4/5+1/3
= 12/15+4/15
= 16/15
= 1又1/15

回答2:

4/5-1/6-1/2
=24/30-5/30-15/30
=2/15