1521690
29644180
26604212
5156220
5567776
7573505
12677930.5
.12160939
9103165
.11037277
3084707.5219
2734810.1251
231...
x^2-12xy
a'-b'=b-a prove using venn diagram
x - (x *5%) = 500 find x
0.002*450
x+1 = $\sqrt{14}$
3/4*9
6850รท3.5
5400/12