by Angel Peroza 2 years ago
303
More like this
by brian castañeda
by Angelo Fabrizio Au Yeung Zevallos
by DEISY MABEL GUERRERO ARIZA
by Itzel Vargas
La regla de la ley de los signos (+) (+) = + (+) / (+) = + (+) (-) = - (-) / (-) = + (- ) (+) = - (+) / (-) = - (- ) (-) = + (-) / (+) = -