1⼀2+1⼀5-1⼀4的简简算是怎么算?

2024-11-30 01:42:56
推荐回答(1个)
回答1:

1/2+1/5-1/4
=10/20+4/20-5/20
=9/20
异分母分数相加减,必须先通分,然后再计算。