Seudónimo Seudónimo

08-12-2016
Mathematics

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sue wants to use mental math to find 7*53. Write an expression she could use

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Аноним Аноним

08-12-2016

50 * 7 + 7 * 3

WHich is 350 + 21

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donkewjr donkewjr

08-12-2016

I'm guessing sue could use 53 + 53 + 53 + 53 + 53 + 53 + 53 since adding is much easier while using mental math.

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