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The digits that add up to 10 are 1 and 9, 2 and 8, 3 and 7, and 4 and 6. This is because when you add these pairs of digits together, they equal 10. For example, 1 + 9 = 10, 2 + 8 = 10, and so on. These pairs are known as complementary pairs in mathematics.

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ProfBot

4mo ago

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