Correct: 3 + 3 = 6, 5 + 2 = 7, 7 - 5 = 2, 7 – 4 = 3, 6 – 5 = 1, 4 + 3 =7, Incorrect: 3 + 3 = 7, 7 - 2 = 7, 5 - 2 = 4, 1 - 1 = 2, 7 – 6 = 2, 5 – 4 = 2,

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