zad.7
3264 : 8
326400 : 8
32640 : 8
326,4 : 8
32,64 : 8
hasło : kwarc
zad.8
-3/4 : (-2/5) = 3/4 * 5/2 = 15/8 = 1 7/8
2/3 : 4/9 = 2/3 * 9/4 = 3/2 = 1 1/2
-3/10 : 2/15 = -3/10 * 15/2 = -1
7/12 : 14/3 = 7/12 * 3/14 = 1/8
zad.9
1 3/4 : (-1/7) = -7/4 * 7/1 = -49/4 = -12 1/4
2 2/3 : 4/9 = 6/1 = 6
7/8 : (-1 1/2) = 7/8 : -3/2 = 7/8 * -2/3 = -7/12
1 3/7 : 1 3/4 = 10/7 : 7/4 = 10/7 * 4/7 = 40/49
3 3/8 : 1 3/4 = 27/8 : 7/4 = 27/8 * 4/7 = 27/14 = 1 13/14
1 1/12 : 5 1/6 = 13/12 : 31/6 = 13/12 * 6/31 = 12/62
