Răspunsuri

2014-06-01T18:25:54+03:00
Mp=(n1.p1+n2.p2+n3.p3)/(p1+p2+p3)
unde n1,n2,n3-sunt numerele
p1,p2,p3,ponderile

Mp=(2/5.10+1/3.6+9/2.4)/(10+6+4)=(4+2+18)/(4+2+18)=24/24=1