19 = 10 + _____, 1, 9, 37 = 30 + _____, 7, 3, 42 = ____ + 2, 20, 40, 86 = ____ + 6, 80, 60, 15 = ____ + ____, 10 + 5, 50 + 1, 27 = ____ + ____, 2 + 7, 20 + 7

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