Răspunsuri

2014-11-10T17:36:26+02:00
80= \frac{mp}{65,5}  · 100
simplifici 65,5 cu 100 prin 5 => 80 \frac{mp}{13,1}  · 20
mp= \frac{13,1ori 80}{100}
mp= \frac{1048}{100} =10,48