Odpowiedź:
a)
8 1/5 + c = 10 7/10
c = 10 7/10 - 8 1/5 = 10 7/10 - 8 2/10 = 2 5/10 = 2 1/2
b)
4 2/3 • p = 4
14/3 * p = 4 /*3/14
p = 4 * 3/14 = 2 * 3/7 = 6/7
c)
a : 1 1/3 = 1/6
a : 4/3 = 1/6
a * 3/4 = 1/6 /*4/3
a = 1/6 * 4/3 = 1/3 * 2/3 = 2/9
Szczegółowe wyjaśnienie:
