10+10=?, 20, 30, 10, 40, 50, 1000, 20 +20 =?, 1, 40, 100, 1000000000000, 600000000000, 500, 100 + 1 =?, 10, 101, 102, 1, 103, 104, 100 + 4 =?, 104, 103, 105, 106, 107, 108, 100+500=?, 600, 10000000, 345, 747, 993, 385

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