Đáp án:
Okay
Giải thích các bước giải:
<=>5(x-y)+a(x-y)
<=>(x-y)(5+a)
Choose the best answer.
We are looking for ____ place to spend ____ night.
Please turn off ___ lights when you leave ___ room.
I like _____ colorful costumes of ____ ethnic minority people in Vietnam.