Question

PUNCTUL B URGENT IN 10 MIN PROMIT DAU COROANA​

Answer 1

$\it 3|2145\ \ \ \ \ (1)\\ \\ \overline{ab83}-(a-b-11)=1000a+100b+83-a-b-11=\\ \\ =999a+99b+72=3(333a+33b+24) \Rightarrow 3|\overline{ab83}-(a-b-11)\ \ \ \ \ \ (2)\\ \\ (1),\ (2) \Rightarrow frac\c{\it t}ia\ dat\breve a\ se\ simplific\breve a\ cu\ 3,\ deci\ e\ reductibil\breve a$