算出得数(要写计算过程)5⼀7÷5⼀6。12x7⼀8。1-1⼀2-1⼀3。7⼀11÷14。

2024-10-29 21:09:26
推荐回答(2个)
回答1:

7/5÷5/6
=5/7×6/5
=6/7

回答2:

5/7/(5/6)
=5/7x6/5
=6/7
12x7/8=3x7/2=21/2=10.5
1-1/2-1/3
=1/2-1/3
=3/6-2/6
=1/6
7/11/(14)
=7/11x1/14
=1/22