Răspuns:
ms=80g
c=5%
c= mdx100/ms---> md= cxms/100g=5x80/100g= 4g sare
Explicație:
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Răspuns:
ms=80g
c=5%
c= mdx100/ms---> md= cxms/100g=5x80/100g= 4g sare
Explicație: