Odpowiedź:
a) 5 * 3/20 = 3/4
3/4 * 6 = 4 1/2
b) 2 2/3 + 3 1/2 = 6 1/6
6 1/6 * 6 = 37
c) 3 * 1/4 = 3/4
2/9 * 3 = 2/3
3/4 - 2/3 = 1/12
d) 2 * 1 2/3 = 3 1/3
3/4 * 8 = 6
5 1/2 - 3 1/3 = 2 1/6
2 1/6 * 6 = 13
