7 + 13 =, 12, 18, 19, 20, 13 + 5 =, 8, 12, 18, 19, 3 + 12 =, 10, 14, 15, 16, 1 + 7 =, 6, 8, 10, 13, 3 + 0 =, 3, 4, 5, 7, 1 + 1 =, 1, 2, 3, 6, 9 + 8 =, 15, 16, 17, 19, 5 + 1 =, 5, 6, 7, 10, 15 + 4 =, 14, 16, 19, 20, 17 + 1 =, 12, 14, 18, 19

Math addition with 20

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