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Scrieti numarul 153400 ca o suma de doua numere direct proportionale cu numerele 6 si 4


Răspuns :

a+b=153400
(a;b) d.p.(6;4)
a/6=b/4=K ⇒a=6K
                     b=4K
6K+4K=153400
10K=153400
K=153400:10
K=15340
a=15340x6⇒a=92040
b=15340x4⇒b=61360
Verificare:92040+61360=153400