Odpowiedź:
2/3 : x = 10/21
x = 2/3 : 10/21 = 2/3 * 21/10 = 7/5
x = 7/5
spr 2/3 : 7/5 = 2/3 * 5/7 = 10/21
4/7 : x = 4/35
x = 4/7 : 4/35 = 4/7 * 35/4 = 5
x = 5
spr 4/7 : 5 = 4/7 * 1/5 = 4/35
x : 1/4 = 12
x = 12 * 1/4
x = 3
spr 3 : 1/4 = 3 * 4 = 12
2/5 : x = 2
x = 2/5 : 2 = 2/5 * 1/2 = 1/5
x = 1/5
spr 2/5 : 2/10 = 2/5 * 10/2 = 2
x : 2/3 = 3/8
x = 3/8 * 2/3 = 6/24
x = 6/24
spr 6/24 : 2/3 = 6/24 * 3/2 = 3/8
3/7 : x = 1
x = 3/7 : 1 = 3/7 * 1 = 3/7
x = 3/7
spr 3/7 : 3/7 = 3/7 * 7/3 = 1
