Câu trả lời:
cả 2012 cũng đc đó nhé thử xem
cả 2012 cũng đc đó nhé thử xem
1. Underline the correct word in bold in the following sentences.
1. The weather was nice.................(although/or/unitil)it was a bit cold
2. It was raining...............(however/because/so)I took my umbrella
3.We went to the restaurant..............(although/however/because0there was no food in the house.
4. I will tell you my plans.................(while/or/because)we are having dinner.
5. Andy was bored at school,.................(so/while/and)he left when he was sixteen
6. I didn't buy it........................(baecau/however/and)it was very expensive
7. John failed his history test....................(and/therefore/ỏ), he has to do the test again
8. She wants to prepare a five - food tray,.................(but/so/although)she hasn't got enough truit.
Mn làm hộ mình với ạ, cảm ơn những bạn đã giúp mik giải trc
Câu 1: Nối các phép tính ở cột A phù hợp với cột B
Cột A | Cột B |
1) a(a-2)+(a-2) | a) (x+1-y)(x+y+1) |
2) x2+2x+1-y2 | b) (x-y+3)(x-y-3) |
3) 2xy-x2-y2+16 | c) (4-x-y)(4-x+y) |
4) x2-2xy+y2-9 | d) (a-2)(a+1) |
e) (a-2)(a) |
Câu 2: Điền vão chỗ trống:
3x2+6xy+3y2-3z2=3[(x2+xy+.........)-.........................]
Câu 3: Phương trình x(x-7)-2(7-x)=0 có nghiệm là:
A. x1=7, x2=2 B. x1=-7, x2=2 C. x1=7, x2-2 D.x1=-7, x2=-2
Câu 4: Phân tích đa thức sau thành nhân tử N=36-4x2+8xy-4y2
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Câu 5: Rút gọn và tính giá trị biểu thức với x=3 A=(x2+3)2-(x+2)(x-2)
....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................
Câu 6: Giải phương trình: x(2x-7)-4x+14=0
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5. Put the correct form of the verbs.
1. Vietnamese students love .......... (go) picnic at the weekend.
2. I hate ......... (spend) all day on ........ (go) fishing.
3. People in Britain love .............. (drink) tea with milk.
4. Do you like ............... (listen) to music.
5. Does Anna fancy ......... (watch) horror movies.
6. Mai detests ..............(do) too much housework.
7. She dislikes ............... (watch) the news on Tv.
8. My mom enioys .......... (make) cakes in her free time.
9. Do you fancy (socialise) ............. with friends?
10. My brother prefers (surf) ............... the internet.
Máy bạn làm hộ mình với, cảm ơn nhiều nha!!!