\(\left(a+b+c\right)^2+2\left(a+b+c\right)\left(b+c\right)+\left(b+c\right)^2\\ =\left(a+b+c+b+c\right)^2\\ =\left(a+2b+2c\right)^2\)
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Cho biểu thức M=x^2/x-2.((x^2+4/x)-4)+3
a,Tìm x để M có nghĩa
b,Rút gọn M
c,Tìm giá trị nhỏ nhất của M
Giúp mik nhanh nhé mik đg cần gấp!Thank các pạn!
Choose the word thar has the underlined part pronounced differently from that of the others. (2 marks)
1. a. arrive b. sight c. island d. prison
2. a. who b. what c. where d. which
3. a. head b. beach c. weather d. heavy
4. a. mount b. cloud...
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Choose the word thar has the underlined part pronounced differently from that of the others. (2 marks)
1. a. arrive b. sight c. island d. prison
2. a. who b. what c. where d. which
3. a. head b. beach c. weather d. heavy
4. a. mount b. cloud c. tour d. house
6. a. opens b. gets c. puts d. links
7. a. travels b. opens c. looks d. rulers
8. a. lives b. likes c. drives d. comes
9. a. oranges b. watches c. brushes d. arrives
10. a. practices b. goes c. catches d. closes
1. a. carve b. warm c. farm d. depart
2. a. empire b. while c. liberty d. sightseeing
3. a. busy b. humid c. museum d. music
4. a. pour b. sound c. mount d. cloudy
5. a. pick b. ticket c. rock d. vacation
6. a. station b. waterfall c. lake d. Heritage
7. a. giant b. canoe c. magnificent d. pagoda
8. a. southern b. mountain c. various d. loudly
9. a. decide b. climb c. hire d. middle
10. a. stumble b. run c. institute d. sunbathe
1. a. paddy b. sand c. travel d. tribal
2. a. buffalo b. photo c. limestone d. botanical
3. a. Jungle b. luggage c. sunbathe d. sugar
4. a. around b. various c. famous d. mountainous
5. a. heritage b. giant c. garden d. village
1. a. canoe b. water c. sugar d. island
2. a. resort b. hotel c. expect d. rescue
3. a. sight b. tribe c. seaside d. magnificent
4. a. railway b. daily c. airport d. train
5. a. island b. florist c. stream d. sight
6. a. cane b. cave c. garden d. vacation
7. a. site b. city c. limestone d. find
8. a. great b. stream c. seaside d. beach
9. a. airport b. offshore c. corn d. front
10. a. price b. magnificent c. exciting d. oceanic
I, PHONETICS.
1, Choose the word which has underlined part pronounced differently from orhers.
1, A - laid B - said C - paid D - plain
2, A - passage B - teenage C - cottage D - village
3, A - ploughed B - weighed C - coughed D - borrowed
4, A - cable B - station C - answer D - latest
5, A...
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I, PHONETICS.
1, Choose the word which has underlined part pronounced differently from orhers.
1, A - laid B - said C - paid D - plain
2, A - passage B - teenage C - cottage D - village
3, A - ploughed B - weighed C - coughed D - borrowed
4, A - cable B - station C - answer D - latest
5, A - moderate B - chopstick C - pork D - possible
2, Choose the word which has different stress from the others.
1, A - material B - ocean C - dolphin D - yesterday
2, A - altogether B - decorate C - delicious D - grandmother
3, A - neglect B - appointment C - remember D - hygiene
4, A - sensible B - continue C - example D - contestant
5, A - appear B - explain C - polish D - perform
B1: Thực hiện phép tính:
a, 2^2(x-3)+4(2x^2-1)
b, (3x-1) (3x+1)-(3x-2)^2
c,(3x^3-4x^2-13-1):(3x+2)
B2: Tìm x:
a,3(x-3)-2(x+1)-8
b,2x^3-3x^2-2x+30
c,2x(x+3)-4(x-3)0
d,x^2-7x+120
B3:Cho Ax/x+3+2x/x-3-3x^2+9/x^2-9
a,Tìm ĐKxĐ và rút gọn A
b,Tính A tại x6
c,Tìm giá trị nguyên tử cuả x để A nhận giá trị nguyên
B4,Cho tam giác ABC(A90 độ).Trung tuyến AM ,I là trung điểm của AB.N đối xứng M qua I,E đối xứng M qua AC.D đối xứng với A qua M
a,Tứ giác ABCD là hình gì? Vì sao?
b,Chứng minh AB...
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B1: Thực hiện phép tính:
a, 2^2(x-3)+4(2x^2-1)
b, (3x-1) (3x+1)-(3x-2)^2
c,(3x^3-4x^2-13-1):(3x+2)
B2: Tìm x:
a,3(x-3)-2(x+1)=-8
b,2x^3-3x^2-2x+3=0
c,2x(x+3)-4(x-3)=0
d,x^2-7x+12=0
B3:Cho A=x/x+3+2x/x-3-3x^2+9/x^2-9
a,Tìm ĐKxĐ và rút gọn A
b,Tính A tại x=6
c,Tìm giá trị nguyên tử cuả x để A nhận giá trị nguyên
B4,Cho tam giác ABC(A=90 độ).Trung tuyến AM ,I là trung điểm của AB.N đối xứng M qua I,E đối xứng M qua AC.D đối xứng với A qua M
a,Tứ giác ABCD là hình gì? Vì sao?
b,Chứng minh ABMN là hình thoi
c,Chứng minh E đối xứng N qua A
d,Tam giác ABC cần thêm điều kiện gì thì AECB là hình thang cân
5.Cho A= 4a^2b^2-(a^2+b^2-c^2)^2 trong đó A,B,C là 3 cạnh của tam giác
CM: A>0
HELP ME!!!!!! Cực gấp luôn ạ!!! :'(
II. PRONUNCIATION:1. A. wardrobe B. cupboard C. saucepan D. between ……...2. A. precaution B. vegetable C. opposite D. medicine ……...3. A. cooker B. folder C. destroy D. injure ……...4. A. frying B. towel C. socket D. include ……...5. A. precaution B. chemical C. electric D. destruction ……...6. A. remember B. dangerous C. vegetable D. opposite ……...7. A. position B. furniture C. steamer D. object ……...8. A. community B. understand C. precaution D. refrigerator ……...9. A. medicine B. dangerous C. el...
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II. PRONUNCIATION:
1. A. wardrobe B. cupboard C. saucepan D. between ……...
2. A. precaution B. vegetable C. opposite D. medicine ……...
3. A. cooker B. folder C. destroy D. injure ……...
4. A. frying B. towel C. socket D. include ……...
5. A. precaution B. chemical C. electric D. destruction ……...
6. A. remember B. dangerous C. vegetable D. opposite ……...
7. A. position B. furniture C. steamer D. object ……...
8. A. community B. understand C. precaution D. refrigerator ……...
9. A. medicine B. dangerous C. electrical D. cupboard ……...
10. A. partner B. arrange C. decide D. include ……..
Question I. Find the word which has different sound in the part underlined.
1. A. wanted B. washed C. danced D. played
2. A. goes B. watches C. misses D. brushes
3. A. come B. mother C. ope...
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Question I. Find the word which has different sound in the part underlined.
1. A. wanted B. washed C. danced D. played
2. A. goes B. watches C. misses D. brushes
3. A. come B. mother C. open D. some
4. A. mention B. question C. action D. education
5. A. who B. when C. where D. what
Question II. Find the word which has different sound in the part underlined.
1.A. sun B. fun C. put D. unhappy
2. A. mind B. bike C. tradition D. tidy
3. A. my B. happy C. hobby D. factory
4.A. health B. team C. tea D. beach
5.A. listened B. opened C. wanted D. lived
Question III. Find the word which has different stress pattern from the others.
1.A. person B. father C. teacher D. enjoy
2. A. prefer B. enjoy C. mother D. agree
3.A. doctor B. father C. picture D. fancy
4.A. pollution B. visit C. listen D. open
5.A. depend B. advise C. affect D. listen
Question IV. Find the word which has different stress pattern from the others.
1.A. affect B. father C. teacher D. picture
2. A. prefer B. enjoy C. mother D. affect
3.A. affect B. happen C. pollution D. fancy
4.A. pollution B. picture C. village D. factory
5.A. illustrate B. believe C. affect D. village
Question V. Find the word which has different stress pattern from the others.
1. A. artistic B. historic C. dramatic D. scientific
2. A. medical B. national C. chemical D. historical
3.A. athletic B. dramatic C. scientific D. heroic
4.A. medical B. hospital C. politic D. electric
5.A. chemical B. physical C. environmental D. medical
Question VI. Find the word which has different stress pattern from the others.
1. A. athletic B. historic C. dramatic D. scientific
2. A. medical B. national C. chemical D. informal
3.A. athletic B. dramatic C. scientific D. heroic
4.A. medical B. hospital C. politic D. electric
5.A. dramatic B. physical C. environmental D. medical
Question VII. Find the word which has different stress pattern from the others.
1.A. affect B. father C. pollution D. believe
2. A. prefer B. enjoy C. dramatic D. affect
3.A. factory B. happen C. pollution D. poison
4.A. believe B. picture C. village D. factory
5.A. illustrate B. believe C. affect D. village
I. Find the word which has different sound in the part underlined.
1. A. wanted B. washed C. needed D. decided
2. A. ago B. boring C. explore D. story
3. A. come B. sot C. open D. cold
4. A. mention B. question C. action D. education
5. A. who B. when C. where D. what
II. Find the word which has different stress pattern from the others.
1. A. coffee B. rupee C. trainee D. agree
2. A. symbolise B. Taiwanese C. guarantee D. kangaroo
3. A. Maltese B. festival C. degree D. unique
4.A. government B. celebrate C. nominee D. popular
5.A. Canadian B. introduce C. Guyanese D. absentee
III. Find one word that does not belong to each group.
1. A. Chinese B.computerese C. Japanese D. Portuguese
2. A. international B. local C. national D. natural
3. A. Awesome B. Great C. Fantastic D. Sure
4.A. scenery B. landscape C. culture D. view
5.A. desert B. haunted castle C. loch D. puzzling world
Exercise I. Choose the word whose underlined part is pronounced differently from that of the others in each group.
1. A. thousandB. proudlyC. southernD. mouth
2. A. neededB. naked C. wantedD. looked
3. A. competition B. chore C. conscious D. promise
Exercise 2. Choose the word whose main stressed syllable is placed differently from that of the others in each group.
1. A. mechanical B. aquatic C. police D. knowledge
2. A. award B. include C. struggle ...
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Exercise I. Choose the word whose underlined part is pronounced differently from that of the others in each group.
1. A. thousandB. proudlyC. southernD. mouth
2. A. neededB. naked C. wantedD. looked
3. A. competition B. chore C. conscious D. promise
Exercise 2. Choose the word whose main stressed syllable is placed differently from that of the others in each group.
1. A. mechanical B. aquatic C. police D. knowledge
2. A. award B. include C. struggle D. enroll
3.A. medical B. physical C. chemical D. electrical
I. Choose the word whose underlined part is pronced differently from that of the others.
1: A. cat B. hat C. that D. hate
2: A. thses B. thank C. this D. their
II. Choose the word whose stress is placde differently from that of the others.
1: A. repair B. invite C. because D. cooking
2: A. wonderful B. holiday C. attract D. happen
I.Choose the word whose underlined part is pronounced differently from the others.
1. a. sound b. out c. found d. enough
2. a. bracelet b. favourite c. craft d. game
3. a. leisure b. sure c. shopping d. socialise
4. a. trick b. kit c. addict d. virtual
5. a. satisfied b. hooked c. bored d. socialized
6. A. laughed B. washed C. danced D. played
7. A. beds B. dogs C. porters D. books
9. A. pictures
10. A. homework
11. A. leisure B. watches
B. mother
B. eight C. buses
C. open
C. ce...
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I.Choose the word whose underlined part is pronounced differently from the others.
1. a. sound b. out c. found d. enough
2. a. bracelet b. favourite c. craft d. game
3. a. leisure b. sure c. shopping d. socialise
4. a. trick b. kit c. addict d. virtual
5. a. satisfied b. hooked c. bored d. socialized
6. A. laughed B. washed C. danced D. played
7. A. beds B. dogs C. porters D. books
9. A. pictures
10. A. homework
11. A. leisure B. watches
B. mother
B. eight C. buses
C. open
C. celebrate D. brushes
D. judo
D. penalty
12. A. fun B. sun C. surf D. cut
13. A. bracelet B. cake C. make D. hat
14. A. although B. laugh C. paragraph D. enough
15. A. comedy B. letter C. princess D. cinema
16. A. high B. sight C. this D. find
II. Choose the odd one out.
1. a. socializing b. communicating c. hanging out d. skateboarding
2. a. having savings b. collecting stamps c. making origami d. doing DIY
3. a. a thriller b. a comedy c. a skill d. a reality show
4. a.J4F b. 2moro c. tonight d. goin’
5. a. magazine b. mobile game c. newspaper d. book
6. a. virtual b. harmful c.creative d. leisure