1. 6/7
2. 3/17
3. 4 1/5
5. 3 3/4
Пошаговое объяснение:
1)12/35:2/5 = 12/35*5/2 = 6/7
2)15/17:5 = 15/17 * 1/5 = 3/17
3)4:20/21 = 4 * 21/20 = 84/20 = 21/5 = 4 1/5
5)8 3/4: 2 1/3 = 35/4 * 3/7 = 15/4 = 3 3/4
1) 6/7 2)3/17 3) 21/5=4,2 5) 15/4=3,75
