Odpowiedź:
a)
5 - 3/7 = 4 4/7
b)
3 2/5 - 1 4/5 = 2 7/5 - 1 4/5 = 1 3/5
c)
7 4/11 - 2 9/11 = 6 15/11 - 2 9/11 = 4 6/11
d)
4 1/4 - 1 3/4 = 3 5/4 - 1 3/4 = 2 2/4 = 2 1/2
e)
6 - 2/5 = 5 3/5
f)
5 3/8 - 2 5/8 = 4 11/8 - 2 5/8 = 2 6/8 = 2 3/4
g)
3 3/9 - 1 5/9 = 2 12/9 - 1 5/9 = 1 7/9
h)
7 3/14 - 3 5/14 = 6 17/14 - 3 5/14 = 3 12/14 = 3 6/7
i)
5 - 5/9 = 4 4/9
Szczegółowe wyjaśnienie:
