Photos 3Х 9 4Х

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3х 9 4х. 9х2-6х+1. Х+1/6х 3 3/4. 4(Х-3)=Х+6. 1/Х+6=6/Х.
9х2-6х+1. Х+1/6х 3 3/4. 4(Х-3)=Х+6. 1/Х+6=6/Х.

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