Exercitiile 2 si 3 va rog acum
Răspunsuri la întrebare
ms1=600g c1=md .100 :ms1
c1=20% md=c1.ms1:100
c2=10% md=20.600 :100=120g
mapa adaugata mapa1=ms1 -md=600-120
= 480g
c2=md .100 : ms2
ms2=md.100:c2
ms2=120.100:10=1200g
mapa2 =ms2 -md
mapa2=1200 - 120=1080g
mapa adaugata =ms2 - ms1
=1080- 480 =600g
3.
ms=200g c=md.100: ms
c=5% md= c . ms : 100
md=? md= 5 .200 :100=10 g