bộ đề bồi dưỡng học sinh giỏi lớp 5

Bộ đề bồi dưỡng học sinh giỏi môn toán lớp 7

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CHuyên đề bồi dưỡng học sinh giỏi lớp 4 môn toán học

... 1 45 + 4246 - 3474638 - 2437 + 53 62 - 756 3 357 6 - 4037 - 59 63 + 6424 Bài 1: Tính nhanh: 5+ 5 + 5 + 5+ 5 + 5 +5+ 5 + 5 +5 25 + 25 + 25 + 25 + 25 + 25 + 25 + 25 45 + 45 + 45 + 45 + 15 + 15 + 15 ... 15 2 + 4 + 6 + 8 + 10 + 12 + 14 + 16 + 18 1 25 + 1 25 + 1 25 + 1 25 - 25 - 25 - 25 - 25 Bài 2: Tính nhanh: 4 25 x 34 75 + 4 25 x 652 5 234 x 1 257 - 234 x 257 3876 x 3 75 + 3 75 x 6124 1327 x 52 4 - 52 4 ... 327 257 x 432 + 257 x 354 + 257 x 214 3 25 x 157 4 - 3 25 x 3 25 - 3 25 x 249 312 x 4 25 + 312 x 57 4 + 312 1 75 x 1274 - 1 75 x 273 - 1 75 Bài 3: Tính nhanh: 4 x 1 25 x 25 x 8 2 x 8 x 50 x 25 x 1 25 2...

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Bài giảng bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... go out night because the weather is rain. 4. How about to buy peas and carrots for dinner. 5. Mr. Quang said that he was doing to HCM city tomorrow. 6. I think it is necessary to students...

Tài liệu bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... test.C. so that they are more worried about taking tests.D. so that they prepare more carefully. 5. What kind of attitude should parents show towards children’s taking tests?A. serious B. Relaxed ... 7.People say that he is the best doctor.  He is 6.We last met her last summer.  We haven’t 5. ”You must finish your homework today” Hoa said.  Hoa said 4.Is it all right if I take a photograph? ... speaks English so 2.The students should spend 3.When I was a child, 4. He gets up late, so 5. Because of the age, ...

Tài liệu bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... Name: Đề 5 A/ Phonetics. Choose the word which underlined part is pronounces differently from the others ... bought c. found d. about3. a. find b. try c. recycle d. fix4. a. their b. this c. think d. they 5. a. stores b. massages c. campuses d. colleges6. a. required b. opened c. plugged d. worked7. ... student.3. I caught a cold c. when he was six.4. John has been asleep in bed d. since January. 5. The Red Cross started e. several minutes ago.6. The receptionist has asked us to wait f. when...

Tài liệu bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... 4. We feel / exhausted / after / month / work hard / so / we / had / to-day / trip / home. 5. Many / us / wish / there / be / more / fresh air / city / so / we / not have to / go / far /...

Tài liệu bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... A B C D 5. I don’t like people told me what to do A B C DC. Reading.I. Match a word in A with its opposite ... opposite in BA B1. difficult a. wonderful2. beautiful b. cheap3. expensive c. old4. early d. easy 5. terrible e. late 6. delicious f. boring7. new g. ugly8. interesting h. tasteless9. better ... up plans for several calculating machines (4) he called “engines” But despite the fact that he (5) buildingsome of these, never finished any of them. Over the years people have argued (6) his...

Bài giảng bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... strange. I’m not used ……… dinner at 5p.mA. to leave B. to having C. having D. have4. What time ………?A. has An phoned B. An has phoned C. did An phone D. is An phone 5. The children ……… to the zoo.A. ... disadvantage3. A. peace B. peaceful C. silent D. still4. A. cars B. motors C. traffic D. vehicles 5. A. more B. fewer C. less D. little6. A. like B. likely C. likelihood D. possibly7. A. early ... returned to Newcastle.C. doesn’t live in Newcastle any more. D. has come back to live in Newcastle. 5. Which of the following is not true about Newcastle?A. Its people are friendly B. Its main industry...

Gián án bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... 200 words. Don’t forget to end with polite closing.Form of letter: 0 ,5 ptVocabulary: 0 ,5 ptGrammar: 0 ,5 ptVerb tenses: 0 ,5 ptIdeas: 1 pt- The end - II. Use the suggested words to write complete ... ask D. could ask8. On February 26, 1993, a bomb………in New York City’s World Trade Centre when 55 .000 people………there.A. exploded/worked B. was exploding/workedC. exploded/were working D. exploded/was ... C. ask D. could ask8. On February 26, 1993, a bomb………in New York City’s World Trade Centre when 55 .000 people………there.A. exploded/worked B. was exploding/ workedC. exploded/were working D. exploded/was...

Bài giảng bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... đáp án - hd chấm Đề thi chọn học sinh giỏi lớp 9 Sầm sơn Năm học 2007 2008 A.Đáp ánQuestion I: Phonetics (5 points)a, Pick out word which has the underlined ... found/ had remembered4. had been disturbed/ was 9. had he taken/ rang 5. will return/ reading 10. would doQuestion III: ( 15 points) Choose the best answer from A, B, C or D to complete the following ... hardly 10. c. go off3. c. on duty 11. c. raise4. d. any 12. b. on 5. b. that 13. d. unless6. a. across 14. b.didn’t 7. c. but 15. d.much 8. a. I boughtQuestion IV: (10 points) Give the correct...

Gián án bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... D4. They played so good game of tennis last night that they surprised their audience. A B C D 5. My daughter likes watching cartoon films, and so do my son. A B C D6. If I was in your place, ... always lived outdoor in tents, camping as we know it today only began to be (1) _________ about 50 years ago. The increase in the use of cars and improvement in camping equipment have (2) __________ ... in greater comfort.Many campers like to be (4) __________ themselves in quiet areas, so they (5) __________ their tent and food, and walk or cycle into the forests or the mountains. Others,...

Gián án bo de boi duong hoc sinh gio lop 9

Danh mục: Tiếng anh

... they were young. -They used 4.I'd like to have more time to study, but I haven’t. - I wish 5. "Have you got any free time next week?" Mandy asked. Mandy asked 6.It's a pity ... think he was a spy He 14. We can't see this film because it's very boring.The film 15. It's difficult to do this exercise I have 16.The house has three floors. - This is 17. ... the first time 24. Tom is the best programmer in his company No one in Tom's company is 25. Nam is elected the monitor of our class We elect Nam 26. He couldn't buy a house because...

Tài liệu Chuyên đề bồi dưỡng học sinh giỏi lớp 12 (Phần ứng dụng đạo hàm) docx

Danh mục: Cao đẳng - Đại học

... cosx osx3 23 23 2811. 2 1 2 1 2 ; 2. 81sin os 256 3. (x-1)(x+2)=(x 2) ; 4. 3 2 osx; 5. (1 )(2 4 ) 3.4 x 3 2 5 6. 3 2 5 (HSG QG 2006)3 2 5 x x c x xx x x x x c xe xe c xx x yy y y zz ... x=1Bài 5: Giải hệ pt: π>sinx-siny=3x-3y (1)x+y= (2) 5 , 0 (3)x yGiải: Từ (2) và (3) ta có : π∈, (0; ) 5 x y⇔(1) sinx-3x=siny-3y. Xét hàm số f(t)=sint-3t với π∈(0; ) 5 t ... trị của a để pt: 21 cosax x+ = có ỳng mt nghim 0;2x ữ ( thi HSG tnh Hải Dương Lớp 12 năm 20 05) Giải: Ta thấy để pt có nghiệm thì 0a ≤( )ππ π− ⇔ ⇔ = = ữ ữ = <...