1 2/7 * 3/5 = 6/35
2) 3/4 * 30 = 22 1/2 мо;ет быть 3/4 * 5/6 = 5/8
3) 4/7 * 7/9 = 4/9
4) 15/16 * 48/55 = 9/11
5) 22/25 * 10/77 = 96/125
1 2/7 * 3/5 = 6/35
2) 3/4 * 30 = 22 1/2 мо;ет быть 3/4 * 5/6 = 5/8
3) 4/7 * 7/9 = 4/9
4) 15/16 * 48/55 = 9/11
5) 22/25 * 10/77 = 96/125