Odpowiedź :
Odpowiedź:
a) 2/5 * 3/4 * 10/27 = 1/1 * 1/2 * 2/9 = 2/18 = 1/9
b) 2 1/3 * 4 1/2 * 1 1/7 = 7/3 * 9/2 * 8/7 = 1/1 * 3/1 * 4/1 = 12
c) 1 3/7 : 1 1/4 * 7/16 = 10/7 : 5/4 * 7/16 = 10/7 * 4/5 * 7/16 =
= 2/1 * 1/1 * 1/4 = 2/4 = 1/2
d) 1/2 * 2/3 * 3/4 * 4/5 * 5/6 * 6/7 * 7/8 * 8/9 * 9/10 =
= 1/1 * 1/1 * 1/1 * 1/1 * 1/1 * 1/1 * 1/1 * 1/1 * 1/10 = 1/10
Szczegółowe wyjaśnienie: