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To find 12times 13 i double 13and halve 12and then multiply.
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To find 12times 13 i double 13and halve 12and then multiply.

User Kunalg
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Or........
We already know 12 x 12 =144. So all you could do isis add 12 to 144 to get your complete answer. Which is:


12 x 13 = 156
User Marko
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