4/5:20=...
42·6/7=...
2,4:3/8=...
1 5/7:6/7=...
2 1/4·4/9=...
8/15:2/5=...
5/7·1 2/5=...
2 4/5:1 2/5=...
3/4·2/9=...
1 1/2:0,3=...
6:2/3=
1 2/7·2 1/3=...
7/8:1 5/16=...
2 1/7·0,7=...
3 3/7·1 1/6=...
помогите♡♥♡♥♡