7⼀5+3⼀11+8⼀11等于多少用简便方法计算?

2024-11-23 14:51:37
推荐回答(2个)
回答1:

7/5+3/11+8/11
=7/5+(3/11+8/11)
=7/5+1
=7/5+5/5
=12/5

回答2:

简便方法是先算分母相同的两项
原式=7/5+(3/11+8/11)
=7/5+1
=12/5
=2.4

加油哦!