z obliczeniami plisss
daje najj

Odpowiedź:
A) 2/3 + 2/9 = 6/9 + 2/9 = 8/9
B) 3/4 + 5/12 = 9/12 + 5/12 = 1 2/12
C) 2 1/3 + 1 7/15 = 2 5/15 + 1 7/15 = 3 12/15
D) 1 3/5 + 5 4/7 = 1 21/35 + 5 20/35 = 7 6/35
E) 4 9/14 + 2 11/21 = 4 54/84 + 2 44/84 = 7 14/84
F) 3 1/12 + 1 5/18 = 3 3/36 + 1 10/36 = 4 13/36
liczę na naj :)
Odpowiedź:
Szczegółowe wyjaśnienie:
2/3 + 2/9 = 6/9 + 2/9 = 8/9
3/4 + 5/12 = 9/12 + 5/12 = 1 2/12
2 1/3 + 1 7/15 = 2 5/15 + 1 7/15 = 3 12/15
1 3/5 + 5 4/7 = 1 21/35 + 5 20/35 = 7 6/35
4 9/14 + 2 11/21 = 4 54/84 + 2 44/84 = 7 14/84
3 1/12 + 1 5/18 = 3 3/36 + 1 10/36 = 4 13/36