Correct: 4 + 3, 8 - 1, 7 + 0, 10 - 3, 6 + 1, 2 + 5, 9 - 2, 7 - 0, 3 + 4, 0 + 7, 5 + 2, 11 - 4, 20 - 13, 12 - 5, 1 + 6, Incorrect: 6 + 2, 6 - 3, 3 + 2, 7 - 3, 1 + 8, 4 + 4, 8 + 3, 7 - 1, 3 + 6, 5 + 4, 9 - 1, 5 + 5, 6 - 6, 6 + 6, 5 + 3,

Leaderboard

Visual style

Options

Switch template

Continue editing: ?