1, 2, 4, 13, 26, 52: (1 x 52, 2 x 26, 4 x 13)
1) x+9=13 (subtract 9) x=4 2) x+9=13 (divide by 9) x/9+1=13/9 (use Pascals theorem of 1) (x+4)/2=4 x+4=8 x=4
1 x 52, 2 x 26, 4 x 13, 13 x 4, 26 x 2, 52 x 1
1 x 52, 2 x 26, 4 x 13, 13 x 4, 26 x 2, 52 x 1
(1/2) x (3-1/4) = (1/2) x (13/4) = 13/8
1 x 52, 2 x 26, 4 x 13, 13 x 4, 26 x 2, 52 x 1 = 52
13 x 4 x 6 = 24
3 1/4 x 2 = (4x3+1)/4 x 2 = 13/4 x 2 = 13/2 = 6 1/2
4/52 x 13/52 = 1/13 x 1/4 = 1/52
x = 13 x 12 + 1 = 43 x 1 + 1 = 43 + 1 = 44 = 4
2(x-4) > 1/13
3 x 4 = 12... 1 + 12 = 13... 13 x 2= 26