+149 +149 +1557 +1557 +1348 +1557 Dec 22, 2023
+1557 +1768 +1768 +1768 +27 +1911 +27 +1911 +1911 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 .. +27 +1911
1 Online Users