Odpowiedź :
Odpowiedź:
a) 1 2/5 + 1 1/5 = 2 3/5
4 2/7 + 3 3/7 = 7 5/7
b) 2 4/5 + 5 = 7 4/5
2 + 4 1/4 = 6 1/4
c) 3 1/3 + 2/3 = 4
5 3/8 + 1 5/8 = 7
zad 7
3 2/5 + 3/5 = 4
2 5/7 + 5 2/7 = 8
6 2/9 + 2 5/9 + 1 2/9 = 10
Odpowiedź:
a) 1 2/5 + 1 1/5 = 2 3/5
4 2/7 + 3 3/7 = 7 5/7
b) 2 4/5 + 5 = 7 4/5
2 + 4 1/4 = 6 1/4
c) 3 1/3 + 2/3 = 4
5 3/8 + 1 5/8 = 7
zad 7
3 2/5 + 3/5 = 4
2 5/7 + 5 2/7 = 8
6 2/9 + 2 5/9 + 1 2/9 = 10