Dsweets20 Dsweets20

17-10-2016
Mathematics

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How was the question 7+7+7 = 21 and 3×7 = 21 related ?

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abberjabber abberjabber

17-10-2016

7+7+7=21 is the same as saying 7 times 3+
=21

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sessionlauren sessionlauren

17-10-2016

they both mean the same thing. multiplying 3 by 7 is the same as adding 7 three times.

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