+1439 +1768 +1768 +1768 +1768 +0 +688 +0 In Ms. Q's deck of cards, every card is one of four colors (red, green, blue, and yellow), and is labeled with one of seven numbers ($1,$ $2,$ $3,$ $4,$ $5,$ $6,$ and $7$). Among all the cards of each color, there is exactly one card labeled with each number.
read more .. +1533 +1533 +1533 +1533 +1911 +1911 +0 +0 +0 +0 +0 +0 +0 +1443 +0
0 Online Users