Odpowiedź :
Odpowiedź:
9 - 5/7 = 8 i 7/7 - 5/7 = 8 i 2/7
4 i 1/4 - 1 i 3/7 = 4 i 7/28 - 1 i 12/28 = 3 i 35/28 - 1 i 12/28 = 2 i 23/28
9 i 7/15 - 7 i 2/9 = 9 i 21/45 - 7 i 10/45 = 2 i 11/45
Odpowiedź:
9 - 5/7 = 8 i 7/7 - 5/7 = 8 i 2/7
4 i 1/4 - 1 i 3/7 = 4 i 7/28 - 1 i 12/28 = 3 i 35/28 - 1 i 12/28 = 2 i 23/28
9 i 7/15 - 7 i 2/9 = 9 i 21/45 - 7 i 10/45 = 2 i 11/45