7+3=, 10, 12, 11+5=, 11, 16, 6+4=, 10, 9, 8+3=, 11, 10, 20+0=, 0, 20, 7-2, 5, 6, 9-3, 6, 3, 17-2, 17, 15, 15-5, 15, 10, 19-19, 19, 0

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