Răspuns :
A+b=24
A-b =10
A=10+b
10+b+b=24
2b=24-10
B=14:2
B=7
A=10+7
A=17
Verificare
17+7=24
17-7=10
A-b =10
A=10+b
10+b+b=24
2b=24-10
B=14:2
B=7
A=10+7
A=17
Verificare
17+7=24
17-7=10