Răspuns :
a+b=36
a=bx2
a|-------------|---------------|
b|-------------|
36:3=12
a=24
b=12
a=bx2
a|-------------|---------------|
b|-------------|
36:3=12
a=24
b=12
A=primul copil
B=al doilea copil
A+B=36
A=B*2
Deci:B+B+B=36
B=36:3
B=12
A=12*2
A=24
Răspuns:A=24
B=12
B=al doilea copil
A+B=36
A=B*2
Deci:B+B+B=36
B=36:3
B=12
A=12*2
A=24
Răspuns:A=24
B=12