Seudónimo Seudónimo

23-02-2016
Mathematics

contestada

Sue wants to use mental math to find 7x53. Write an expression she could use

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SmarticalParticals SmarticalParticals

23-02-2016

7 × 50 = 350 and 7 × 3 = 21

350 + 21 = 371

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Аноним Аноним

23-02-2016

50x7=350 and we need to make 371 because 53x7=371 So then you do 3x7=21

Then 350+21=371

Hope this helps!

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