Wykonaj działania
5x^2+2(3x-4)-3(2x^2-5x+1)=
Xy^2-Xy^2-4x-3Xy-Xy^2+1=Xy^2+2Xy^2=
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Rower kosztuje w hurtowni 640zł.Sorzedawca do tej ceny odlicza 23 % vat ile wynosi podatek vat i ile musimy zapłacic za rower ?
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Oblicz:
12% z 300
300-100%
x-12%
100x=12*300
100x=3 6001:100
x=36
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Vat od roweru
640 - 100%
x - 23%
x=640x23 : 100 = 147,20 zł
Cena roweru z podatkim Vat
640 + 23% = 640+147,20=787,20