Răspuns :
I /------/------/-------/-------/------/
II /-----/------/ total 49
49 reprezinta suma a 7 segmente egale
49:7=7 (un segment)
II=2*7=14 probleme
I=5*7=35 probleme
II /-----/------/ total 49
49 reprezinta suma a 7 segmente egale
49:7=7 (un segment)
II=2*7=14 probleme
I=5*7=35 probleme
a+b=49;
⇒b=2,5a;
⇒a+2,5a=49
⇒3,5a=49
⇒a=14[probleme-primul copil];
⇒b=2,5·14
⇒b=35[probleme-al doilea copil];
⇒b=2,5a;
⇒a+2,5a=49
⇒3,5a=49
⇒a=14[probleme-primul copil];
⇒b=2,5·14
⇒b=35[probleme-al doilea copil];