1) 9 3/7 + 2/7 = 9 (3+2)/7 = 9 5/7
2) 5/22 + 3 17/22 = 3 (5+17)/22 = 3 22/22 = 4
3) 3 3/5 + 2 1/5 = 3+2 (3+1)/5 = 5 4/5 = 5 8/10 = 5,8
4) 2 1/2 + 3 1/2 = 2+3 (1+1)/2 = 5 2/2 = 6
Пошаговое объяснение:
1) 9 3/7 + 2/7 = 9 (3+2)/7 = 9 5/7
2) 5/22 + 3 17/22 = 3 (5+17)/22 = 3 22/22 = 4
3) 3 3/5 + 2 1/5 = 3+2 (3+1)/5 = 5 4/5 = 5 8/10 = 5,8
4) 2 1/2 + 3 1/2 = 2+3 (1+1)/2 = 5 2/2 = 6
Пошаговое объяснение: