3⼀5 1⼀4等于几分之几?

3/5-1/4与三分之一的和差是多少
2024-11-17 06:02:15
推荐回答(4个)
回答1:


回答2:

先把分母化成20,再把分子3x4=12,把1ⅹ5=5,所以答案就是12/20-5/20=7/20

回答3:

3/5+1/4
=12/20+5/20
=17/20

(3/5-1/4)-1/3
=(12/20-5/20)-1/3
=7/20-1/3
=21/60-20/60
=1/60

(3/5-1/4)+1/3
=(12/20-5/20)+1/3
=7/20+1/3
=21/60+20/60
=41/60

回答4:

四分之三减去四分之一等于几分之几