Odpowiedź :
a) 3/4 * 3 1/2 = 3/4 * 7/2 = 21/8 = 2,625
b) 1/2 * 5 4/5 = 1/2 * 29/5 = 29/10 = 2,9
3/4 * 29/10 = 87/40 = 2,175
b) 1/2 * 5 4/5 = 1/2 * 29/5 = 29/10 = 2,9
3/4 * 29/10 = 87/40 = 2,175