September 2018 2 13 Report

1Kwh energi kosztuje 0.3 zł. oblicz dobowy koszt energi elektryczne jesli:

a) lodówka200W pracuje24h

b)TV100W PRACUJE 19 h

c)pralka1500W pracuje2h

d) grzejnik2000W pracuje1,5h

e)zarowki 4x 100W pracuje6h

5x60W pracuje 10 h

f) komputer 150W pracuje10h


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