Odpowiedzi

2010-01-09T18:28:37+01:00
Cp=ms*100%/mr
ms=cp*mr/100%=12%*60g/100%=7,2g
mr1=mr+20g=60g+20g=80g
cp1=ms*100%/mr1=7,2g*100%/80g=9%
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