She said to me , are you angry

He went to England ......order to learn emglish

cho tam giác ABC vuông tại A AH vuông góc với BC M,N lần lượt là trung điểm của AH,BH a) c/m MN//AB b) c/m CM vuông góc với AN

. Read the passage the find out one unnecessary word, tick(V) if there is not in each line((100,2=2,0 pts)

Nick was in the kitchen. The radio was on so too loud that he 0/ ……...too……

didn’t hear me come in behind him. My handbag was on the 00/ ………V……

table. He took some many money out of it and was going to put 1/ ………………...

it in his that pocket. We had a terrible quarrel. Finally, he broke 2/…………………

out and confessed everything. He goes every day to a big 3/ …………………

amusement arcade near his school and should plays electronic 4/ ………………..

games with them names like Star Craft and Half Life. I always 5/ …………………

thought about they were harmless. But now I realize that he is 6/ …………………

so hooked on them, he will even steal from his own mother in 7/ ………………….

order to be pay for the habits. He promises he won’t go there 8/ ………………….

again, but I think he is too addicted to stop. Even if he wanted 9/ …………………

to, he ever couldn’t, and he doesn’t. What can I do to help him? 10/..................

tìm nϵZ để n\(^2+3n+6chiahetchon^2\)

c/m(5x+15)*(x+4)chia hết cho 10

Cho f(x)=\(x^5-2x^3-4x+5\) g(x)=\(2x^5+x-4x^3-8\) Tìm x để 2f(x)=g(x)

trong mpđt Oxy A(-3;-2);B(-2;0);C(0;1) TinhSΔABC