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9 x 7 = 63
3 - 10 + 9 x 7 = 3 - 10 + 63 =
63 + 3 - 10 = 66 - 10 = 56
3 - 10 + 9 x 7 = 3 - 10 + 63 =
63 + 3 - 10 = 66 - 10 = 56