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Because multiplication is distributive over addition.

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Q: Why does the multiplication method partial products work?
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Why does the Vedic multiplication method work?

Vedic mathematics covered universal syllabus which we are following as modern maths.


How to fill in missing numbers in multiplication problems?

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How Do demand forecasting method for new products vary from those for established products?

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Why doesn't associative property not work for multiplication?

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When was the grid multiplication method invented?

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