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2014-08-11T22:24:09+03:00
3^37-3^36=3^36(3-1)=2*3^36
2*(81)^10=2*(3^4)^10=2*3^40
ecuatia devine
2*3^36=2*3^40:x^2
⇒ x^2=3^4⇒ x^2=(3^2)^2⇒ x=3^2=9

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