The distributivity of multiplication over addition is a fundamental property in arithmetic that states that multiplying a number by a sum is the same as multiplying each addend separately and then adding the results together. This property can be expressed mathematically as $$a \cdot (b + c) = (a \cdot b) + (a \cdot c)$$. It is crucial for simplifying expressions and solving equations involving natural numbers, as it allows for breaking down complex calculations into simpler parts.
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