Răspuns :
a×b=925
(a+12)×b=1225 => 12×b+a×b=1225 ==> 12×b+925= 1225
12×b=1225-925=300
b=300:12=25
a = 925:25 = 37
Verificare : 25×37= 925
Succes!
925+12b= 1225
12b=300=b=25
a*25=925
a=37
Raspuns= b=25
a=37
925+12b= 1225
12b=300=b=25
a*25=925
a=37
Raspuns= b=25
a=37