(64)^4/3
comparacion de fracciones
4/5 es mayor o menor que 4/6
find the coordinates of the focus of the parabola -9(x-2)=6y^2
...
(40)^1/2
40
26/2
1 000000000 x 548
x*2<25
f(x) = x + 3 si - 3 <= x < 2; - x si x >= 2
143/20 to decimal