Răspunsuri

2014-11-17T18:40:39+02:00
4m+4c+4p=340+290+250
4·(m+c+p)=880
m+c+p=220

m+220=340
m=340-220
m=120

c+220=290
c=290-220
c=70

220+p=250
p=250-220
p=30