Zadanie na teraz daje naj!!! Zadanie w załączniku zad 5

Odpowiedź:
Zadanie 5
a)
1 - 3/14 = 14/14 - 3/14 = 11/14
1 - 7/9 = 9/9 - 7/9 = 2/9
b)
3 - 1/4 = 2 i 4/4 - 1/4 = 2 i 3/4
5 - 5/7 = 4 i 7/7 - 5/7 = 4 i 2/7
c)
3 i 4/9 - 7/9 = 2 i 13/9 - 7/9 = 2 i 6/9 = 2 i 2/3
2 i 7/12 - 1 i 11/12 = 1 i 19/12 - 1 i 11/12 = 8/12 = 2/3