Respuestas

2013-07-04T07:17:40+02:00
20x^6/ 5x^2 =  4 x^4
 x^3/ x^4=  1/x
4x^3/4x^3 = 1
(x^2)(5x^3) = 5x^5
(3x^2)^3  = 27x^6