Create better lessons quicker
Correct: 3 + 7, 7 + 3, 2 + 8, 8 + 2, 1 + 9, 9 + 1, 4 + 6, 6 + 4, 5 + 5, Incorrect: 7 + 4, 5 + 7, 2 + 9, 9 + 4, 1 + 8, 7 + 2, 4 + 7, 6 + 5, 6 + 6, 5 + 6, 3 + 8, 8 + 3, 4 + 5,

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