Question

Aflati doua nr naturale STIIND ca suma lor ese 69 iar daca impartim pe primul nr la al 2-lea nr obtinem 6 rest 6

Answer 1

a+b=69
a:b=6rest6=>a=6b+6
a+b=69
6b+6+b=69|-6
7b=63|:7
b=9
a=6b+6
a=9×6+6
a=54+6
a=60

Answer 2

a+b=69
a:b=6 rest 6
a=b×6+6
a=!__!__!__!__!__!__!+6
b=!__!
69-6=63
63:7=9-al doilea numar b
9×6+6=54+6=60 primul nr a
Proba:60+9=69
60:9=6 rest 6