括号4⼀5,加上2⼀3括注,减去2⼀3减去1⼀5括住等于多少?

2025-03-22 12:20:35
推荐回答(2个)
回答(1):

分数计算
(4/5+2/3)-(2/3-1/5)
=4/5+2/3-2/3+1/5
=(4/5+1/5)+(2/3-2/3)
=1+0
=1

回答(2):

22/15-7/15=1