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KY
10 tháng 9 2021
Refer
1.The children love Disneyland.They want to go there again.
2.I opened the box and look inside
3.She ran downstairs to open the door for him.
4.I'm afraid I can't drink coffee with milk in
5.Let's go outside and sit in the sun.
6.Wait here I'll be back in the minute.
7.He ran up the stairs to see what happend upstairs
8.What's up at the rex movie Theater this week?
9.Come over to my place and we'll discuss it.
10.Dr Hammond is out right now.Can I take a message?
3 tháng 10 2021
\(M=x^4-4x+7=\left(x^2-4x+4\right)+3=\left(x-2\right)^2+3\ge3\)
\(minM=3\Leftrightarrow x=2\)
\(P=x^2-6x+y^2-2y+12=\left(x^2-6x+9\right)+\left(y^2-2y+1\right)+2=\left(x-3\right)^2+\left(y-1\right)^2+2\ge2\)
\(minP=2\Leftrightarrow\)\(\left\{{}\begin{matrix}x=3\\y=1\end{matrix}\right.\)
DT
Đỗ Thanh Hải
CTVVIP
14 tháng 9 2021
1 have to
2 have to
3 have to
4 has to
5 have to
6 must
7 have to
8 must
9 must
10 has to
DT
24 tháng 9 2021
1. with
2. days
3. some
4. large
5. younger
6. lot
7. ones
8. time
9. listening
10. free
DT
24 tháng 9 2021
1. with
2. days
3. some
4. large
5. younger
6. lot
7. ones
8. time
9. listening
10. free
1. Men are going to repair roof of the house next week
2. Teacher is going to explain next lesson for us tomorrow
3. Is Mrs. Johnson going to wear new dress this evening?
4. Browns are going to buy new house this year
5. My family is going to visit my grandparents in Nha Trang next month
6. We are going to listen that radio program this evening
7. I am going to ask Mr. Wilson for his advice this matter
8. Are they going to build new house here in August?