(3 7⼀11+1 12⼀13)+(1 5⼀11+10⼀13)

2025-06-21 21:37:31
推荐回答(2个)
回答1:

(3 又7/11+1又 12/13)+(1又 5/11+10/13)
=(3又 7/11+1又5/11)+(1 又12/13+10/13)
=5又1/11+2又9/13
=7又112/143

回答2:

3 又7/11+1又 12/13)+(1又 5/11+10/13)
=(3又 7/11+1又5/11)+(1 又12/13+10/13)
=5又1/11+2又9/13
=7又112/143