√ $15^{2}$ + $36^{2}$ = 39
13(5/9)*18
3n^2-7n-2000=0 solve
1/12+10+8
$-\frac{15}{2}$ x $\frac{8}{-3}$
10089098
171714
4998760
6790907
√152 + 362 = 39
$\frac{8}{-3}$
845.80-265
5+8
