Đáp án:
A) (x+2)×(2a-a^2)
B) (ab+a^2)(x-5)
Giải thích các bước giải:
Đáp án: A) 2a(×+2)+a^2(-×-2)
B) ab(×-5)-a^2(5-×)
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.