538427
809565
149503
119401
6240012
3233792
$20^{2}$ - 400
25x/2*16=352
2x/3+1 = 7x/15+3
6/7 x 14/18
x^2-2xy/x-y-y^2/y-
8/12 x 5/10
what is the exponential form of 2+ $\sqrt{\}$ 8
144*n^2 - 24*n
