Question

suma a doua nr nat este 83.Afla cele doua nr stiind ca, impartind pe unul la celalalt,obtinem catul 15si restul 3

Answer 1

$\text {Metoda~algebrica~:}$

a+b=83
a:b=15 rest 3 => a=15×b+3
____________________
15×b+3+b=83
16×b+3=83
16×b=83-3
16×b=80
b=80:16
b=5
a=15×5+3
a=75+3
a=78

Answer 2

A+b=83
A=15b+3
15b+3+b=83
16b=80
B=80÷16
B=5
A+5=83
A=78