Dupa ce scade 16% dintr-un numar,se obtine 434.Aflati numarul.

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Grade: Education Subject: matematica
Dupa ce scade 16% dintr-un numar,se obtine 434.Aflati numarul.
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Best Answer
(154)
a = nr

a-16a/100=434 aducem fracţia la un numitor comun, o amplificăm cu 100
100a-16a=43400
84a=43400
a=43400:84
a=516,66
(239)
Sper sa intelegi!
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