Correct: 6 +6 =12, 4 +4 =8, 8+8=16, 5 +5 =10, 9+9=18, 2 +2 =4, 7+7=14, 3 +3 =6, Incorrect: 2 +2 =3, 1 +1 =5, 3 +3 =7, 4 +4 =6, 5 +5 =9, 7+7=12, 8+8=15, 9+9=19,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?