Đáp án: (A+B+C)2= A2+ B2+C2+2 AB+ 2AC+ 2BC
10x-4+6x=6+15-9x giúp mik nha
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.