Addition powered by smart factorizing | No Calculators! #math #maths #mathsolympiad #usa

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When you add large numbers with common factors, always think of smart arrangement of terms.
#math #maths #usa #matholympics #matholympiad
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Well that’s smart. Hope I can make some sense out of my high school math stuff each time just like this..

JohnDevota
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If we use calculator, we can solve the problem easier, so it is not necessary to solve it without calculator.

カロ藤鹰