Odpowiedź:
b)
3 1/5 : 8/15 = 16/15 * 15/8 = 2 * 1 = 2
c)
5 1/2 : 1 3/8 = 11/2 : 11/8 = 11/2 * 8/11 = 1 * 4 = 4
d)
6/7 * 11/18 = 1/7 * 11/3 = 11/21
e)
2/5 : 6/25 = 2/5 * 25/6 = 1 * 5/3 = 5/3 = 1 2/3
f)
4 1/3 * 7 1/2 = 13/3 * 15/2 = 13 * 5/2=65/2 = 33 1/2