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amasa amasa
  • 18-11-2015
  • Mathematics
Answered

How can u use 7x4 to find 8x7

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devyanipatel92
devyanipatel92 devyanipatel92
  • 18-11-2015

find 7×3=21 and add 7
find 8×6=68 and add 8

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Sadho
Sadho Sadho
  • 18-11-2015

After multiplying 7×4 which is 28, you then double it to find 56 which is 8×7

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