1⼀2+1⼀3+1⼀4脱式计算?

2024-12-02 08:22:06
推荐回答(2个)
回答1:

异分母求和,通分,把分母化成相同,分子相加:
1/2+1/3+1/4
=6/12+4/12+3/12
=13/12

回答2:

脱式计算
1/2+1/3+1/4
=6/12+4/12+3/12
=13/12