Odpowiedź:
zad.10
a) 2 1/3 = 1 4/3
2 1/3 - 2/3 = 1 4/3 - 2/3 = 1 2/3
b) 3 5/8 = 2 13/8
3 5/8 - 7/8 = 2 13/8 - 7/8 = 2 6/8
zad.11
a) 3 3/8 - 5/8 = 2 11/8 - 5/8 = 2 6/8
b) 2 3/7 - 4/7 = 1 10/7 - 4/7 = 1 6/7
c) 8 2/5 - 4/5 = 7 7/5 - 4/5 = 7 3/5
d) 6 5/9 - 8/9 = 5 14/9 - 8/9 = 5 6/9
zad.12
a) 3 1/4 - 3/4 = 2 5/4 - 3/4 = 2 2/4
b) 5 5/8 - 7/8 = 4 13/8 - 7/8 = 4 6/8
c) 7 3/5 - 4/5 = 6 8/5 - 4/5 = 6 4/5
d) 5 1/4 - 2 3/4 = 4 5/4 - 2 3/4 = 2 2/4
e) 7 1/5 - 3 3/5 = 6 6/5 - 3 3/5 = 3 3/5
f) 9 1/8 - 2 7/8 = 8 9/8 - 2 7/8 = 6 2/8
zad.13
1/5 2/5 1 2/5 3 1/5 4/5 3/5 4 3/5 5 4/5
4/5 5/5 2 3 4/5 7/5 1 1/5 5 1/5 6 2/5
zad.14
a) 3 1/7 + 5 4/7 - 1 6/7 = 8 5/7 - 1 6/7 = 6 6/7
Szczegółowe wyjaśnienie:
Mam nadzieje, że pomogłem. Miłego dzionka ♥
