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a*b is the same as a+a+a ... (do it with b lots of a).

One way of seeing this visually is to lay out counters (or tokens) in an a*b rectangle. The number of tokens in the rectangle are its length times its breadth ie a*b.

But you can also see the rectangle as made up of a rows of b tokens and the total number of tokens can be derived as a+a+a... (b times).

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16y ago

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