Question

DIFERENTA A DOUA NUMERE ESTE 217 .DACA IMPARTIND NUMARUL MAI MARE LA CEL MAI OBTINEAM CATUL 3 SI RESTUL 25 .AFLA NUMERELE.

Answer 1

$a-b=217\\a:b=3 \ rest \ 25 \to \boxed{a=3b+25} \\ *******************\\3b+25-b=217\\2b+25=217\\2b=217-25\\2b=192\\b=192:2\\\bold{b=96} \\ \\ a=3*96+25\\\bold{a=313} \\ \\ \text{Verificare:}\\313-96=217 \\ 313:96=3 \ rest \ 25$