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17-10-2016
Mathematics

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What is 9 10????????????????????????????

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ragingblast ragingblast

17-10-2016

9+10=?
9 = 3x3
10= 5x2
3 (from 3x3) x 5 (from 5x2) = 15
3 (from 3x3) x 2 (from 5x2) = 6
15+6=21
Therefore 9+10=21

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