连一连,怎么做?

2025-12-13 04:25:51
推荐回答(2个)
回答1:

1/5=12/60
2/9=14/63
5/12=15/36
39/52=3/4
50/120=5/12
7/49=1/7

回答2:

1/5=12/60
2/9=14/63
5/12=15/36

39/52=3/4

50/120=5/12
7/49=1/7