x = 4 , 5 , 6 , 7 ; ....

tick cho mình nha

mk nghĩ là shinichi vs ran òi

cute ghê cơ

mk nek kb vs mk đi

tất cả

đẹp

A-3 chia hết cho 4 hay A-3+52 chia hết cho 4

A-1 chia hết cho 25 hay A-1+50 chia hết cho 25

Suy ra A+49 là BC(4;25)=100

Nên A+49=B(100)={0;100;200;300;400;500;600;....}

             A={51;151;251;351; 452;551;....}

In my opinion, teenagers often play sport with friends. Firstly, it helps practice skills. Secondly, phay sport with friends will good for healthy. Thirdly, it is very happy and wonderful. In short, play sport with friends is the best leisure activity for teenagers

cj tự lm đó nhé