5⼀42+3⼀21通分后等于多少?

2025-05-09 21:06:30
推荐回答(3个)
回答1:

5/42+3/21
=5/42+6/42
=11/42

回答2:

分母42和21的最小公倍数是42
5/42+3/21
=5/42+6/42
=11/42

回答3:

5/42+6/42=11/42