Question

[pham vo minh thi]

Tim so nguyen x de A la so nguyen, biet: A=13:(x-2)

Answer 1

[Hoàng Phúc]

A nguyên

<=>13 chia het cho x-2

=>x-2 E Ư(13)={-13;-1;1;13}

=>x E {-11;1;3;15}