Odpowiedź:
2 4/11 + 15 7/11 + 23 5/11 + 8 1/11 = 48 17/11 = 49 6/11
3 4/9 + 3 3/9 + 2 3/9 + 4 1/2 = 8 9/9 + 4 1/2 = 9 + 4 1/2 = 13 1/2
3 1/2 + 5 6/7 + 4 5/7 + 5 1/2 + 7 4/7 = 8 2/2 + 16 15/7 =
= 9 + 18 1/7 = 27 1/7
2 2/3 + 4 1/8 + 1 1/2 + 3 1/3 + 2 3/8 = 5 3/3 + 6 4/8 + + 1 1/2 = 6 + 6 1/2 + 1 1/2 = 7 2/2 = 8.