Đúng, 0 + 2 = 2, 1 + 5 = 6, 7 + 10 = 17, 2 + 6 = 8, 1 + 11 = 12, 5 + 7 = 12, 8 + 3 = 11, Sai, 10 + 1 = 16, 7 + 9 = 11, 15 + 7 = 13, 19 + 1 = 5, 3 + 1 = 1.

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