Tag Archives: algebra

Multiply two 3 digits numbers in your head

How to do multiplication of two three digits numbers such as 234 × 456, from right to left. Continue reading

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Easy Multiplication I

How to do multiplication from right to left. Continue reading

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Add all the natural numbers below 1000 that are multiples of 3 or 5

Problem #1 of Project Euler: Add all the natural numbers below 1000 that are multiples of 3 or 5. Continue reading

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