|3+2x|=17
[ ($2^{2n}$ -3) ($2^{2n-2}$ )( $3^{n}$ -2)( $3^{n-2}$ )] / $3^{n-4}$ ( $4^{n+3}$ - $2^{2n}$ )
in how many ways can you distribute n pennies to k children if each child is supposed to get at least 2?permutation and combinatio...
|3x-6|=12
resuelve el sistema de ecuaciones mixto
f(x)= 1/4x -1
f(x)= $1x^{2}$-1x-(3/4)
0.05*0.67
|2x-1|=-5
grafico de y = - 3x+ 1
esboçar o grafico de y = - 3x+ 1
x=(100^2+(x-50)^2)^0.5