Caga magica los tres números de las filas como los de la columnas, al multiplicarlos dan como resultado los valores que aparecen señaladosValores horizontal:2883042Valores verticales:20162112

On your first pick, the chance of picking a white sock is  711  (there are  11  socks in total). On the next selection, the chance of picking white is  610  ( 1  white sock has been removed). So the chance of  2  whites is  711×610  which is  42110

Similarly, the chance of picking two blacks is  411×310  which is  12/110

The chance of picking two equal socks is the sum of these probabilities, that is:  54/110

This simplifies to  27/55