1)3 12/13 × 13/17 = 3
2) 11/28 × 6 4/11 = 2 1/2
3) 4 2/15 × 5/31 = 2/3
4) 19/20 × 3 3/19 = 3
3
2 1/2
2/3
Объяснение:
1)3 12/13 × 13/17 = 3
2) 11/28 × 6 4/11 = 2 1/2
3) 4 2/15 × 5/31 = 2/3
4) 19/20 × 3 3/19 = 3
3
2 1/2
2/3
3
Объяснение: