9⼀10减去括号2⼀5+1⼀4括起来等于几分之几

9/10减去括号2/5+1/4括起来等于几分之几
2025-03-19 01:51:38
推荐回答(1个)
回答1:

9/10-(2/5+1/4)
=9/10-2/5-1/4
=18/20-8/20-5/20
=10/20-5/20
=5/20
=1/4

结果是4分之1