Odpowiedź:
7/2 * 4 = 28/2 = 14
7/2 * 2 = 14/2 = 7
7/2 * 4/3 = 28/6 = 4 i 4/6 = 4 i 2/3
a)
2/7 * 8/5 = 16/35
b)
1/9 * 5/3 = 5/27
c)
4/7 * 2 = 8/7 = 1 i 1/7
d)
4 * 2 = 8
e)
9 * 7/2 = 63/2 = 31 i 1/2
f)
11 * 3/7 = 33/7 = 4 i 5/7
Szczegółowe wyjaśnienie:
