New Activity
Play Matching Pairs

1 + 0 + 3 + 4 + 9

5 + 2 + 4 - 3 + 0

2 - 2 + 4 -1 + 10

-1 - 8 - 64 + 4 + 32 + 256 + 748

1 + 4 + 24 - 16 - 108