Question

Aflati cel mai mic numar natural care impartit la 9 si la 12 da restul 3 si caturi nenule

Answer 1

[9,12] = 36 => a:9=4 r.3 => a =39
                 =>a:12=3 r.3 =>a=39

Answer 2

x÷9=c1 r3
x÷12=c2 r3
⇒x-3=9·c1
⇒x-3=12·c2
⇒x-3=cmmmc al nr 9 si 12
9=3²
12=2²·3
⇒cmmmc=2²·3²=36
⇒x-3=36⇒x=39