Odpowiedź:
a)
4 1/5 - 1 3/5 = 3 6/5 - 1 3/5 = 2 3/5
b)
12 1/8 - 8 5/8 = 11 9/8 - 8 5/8 = 3 4/8 = 3 1/2
c)
1 3/10 - 8/10 = 13/10 - 8/10 = 5/10 = 1/2
d)
1 2/15 - 7/15 = 17/15 - 7/15 = 10/15 = 2/3
e)
4 2/7 - 5/7 = 3 9/7 - 5/7 = 3 4/7
f)
3 1/4 - 1 3/4 = 2 5/4 - 1 3/4 = 1 2/4 = 1 1/2
g)
2 4/6 - 1 5/6 = 1 10/6 - 1 5/6 = 5/6
h)
3 2/10 - 1 5/10 = 2 12/10 - 1 5/10 = 1 7/10
Szczegółowe wyjaśnienie: