Răspuns :
marimi direct proportionale
a/2=b/3=c/7=k
a/2=k deci a=2k
b/3=k deci b=3k
c/7=k deci c=7k
2k+3k+7k=24 deci 12k=24 deci k=24/12=2
a=2ori2=4
b=3ori2=6
c=7ori2=14
Proba: 4+6+14=24. Sper că te-am ajutat!!!!
{a;b;c}d.p.{2;3;7}
a+b+c=24
[tex]\frac{a}{2}[/tex]= [tex]\frac{b}{3}[/tex]= [tex]\frac{c}{7}[/tex]= [tex]\frac{24}{12}[/tex]=2
[tex]\frac{a}{2}[/tex]=2=>a=2·2=4
[tex]\frac{b}{3}[/tex]=2=>b=3·2=6
[tex]\frac{c}{7}[/tex]=2=>c=2·7=14
a=4
b=6
c=14
Verificare:
4+6+14=24
Sper să te ajute! ^_^
a+b+c=24
[tex]\frac{a}{2}[/tex]= [tex]\frac{b}{3}[/tex]= [tex]\frac{c}{7}[/tex]= [tex]\frac{24}{12}[/tex]=2
[tex]\frac{a}{2}[/tex]=2=>a=2·2=4
[tex]\frac{b}{3}[/tex]=2=>b=3·2=6
[tex]\frac{c}{7}[/tex]=2=>c=2·7=14
a=4
b=6
c=14
Verificare:
4+6+14=24
Sper să te ajute! ^_^