Benar, 3 + 10 = 13, 1 + 8 = 9, 0 + 1 = 1, 4 + 8 = 12, 6 + 1 = 7, 8 + 11 = 19, 5 + 3 = 8, 1 + 2 = 3, Salah, 17 + 4 = 16, 20 + 3 = 6, 10 + 2 = 4, 5 + 11 = 18, 15 + 11 = 11, 2 + 3 = 3, 13 + 13 = 14

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