Correct: 2 + 3, 3 + 2, 4 + 1, 7- 2, 8–3, 1 + 4, 6-1, 9-4, 10-5, Incorrect: 2 + 2, 4 + 2, 10-6, 5-1, 5 + 5, 5+3, 7-3, 9-5, 3+3,

состав числа 5

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