Odpowiedź:
1 i 5/6 : 3 i 2/3 * 1 i 1/7 = 11/6 : 11/3 * 8/7 = 11/6 * 3/11 * 8/7 = 1/2 * 8/7 = 8/14 = 4/7
(1/2)³ * 2 i 2/3 : 1 i 1/6 = 1/8 * 8/3 : 7/6 = 1/3 * 6/7 = 2/7
1 i 1/4 * 6 - 3 : 1 i 1/5 = 5/4 * 6 - 3 : 6/5 = 30/4 - 3 * 5/6 = 30/4 - 15/6 = 90/12 - 30/12 = 60/12 = 5