7 + 4 = ...., 11, 8, 15, 12 + 7 = ...., 14, 19, 10, 4 + 8 = ...., 19, 12, 10, 10 + 10 = ....., 19, 20, 18, 15 + 13 = ...., 24, 28, 26, 8 + 7 = ...., 11, 10, 15, 23 + 14 = ....., 37, 28, 18, 10 + 30 = ...., 40, 34, 16, 16 + 18 = ...., 24, 34, 31, 28 + 19 = ...., 36, 43, 47.

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