2⼀13+5⼀26-1⼀5的脱式计算怎么算?

2025-04-08 16:30:58
推荐回答(1个)
回答1:

2/13+5/26-1/5 脱式计算
=4/26+5/26-1/5
=9/26-1/5
=45/130-26/130
=19/130