... only about kilometers A B C D The dangers of a storm includes torrential rains, high winds and storm surges A B C D Sometimes people have little time and escape before their houses get flooded ... can flood and trigger landslides A B C D VI.Rewrite the following sentences, beginning with the words given 1/ Keep your neighborhood clean and you will have an ideal place to live If……………………… ... on clearing the beach because of the heavy rain Because it …… 3/ You did nothing to conserve the environment and it made me disappointed I was … 4/ We can’t swim in that part of the river because...
... Cho h m số f(x) = x 4x + a) Tính f(-1); f(5) b) Tìm x để f(x) = 10 c) Rút gọn A = f ( x) x x2 GV:Mai Thnh LB ễN THI VO L P 10 x( y 2) = ( x + 2)( y 4) ( x 3)(2 y + 7) = (2 x 7)( y + ... = 11 đáp án Câu 1a) f(x) = x x + = ( x 2) = x Suy f(-1) = 3; f(5) = b) x = 10 x = 12 f ( x) = 10 x = 10 x = c) A= x2 f ( x) = x ( x 2)( x + 2) Với x > suy x - > suy A = x+2 Với x ... = ( ) ( ) ( ) Cộng vế đẳng thức ta có : x + x + + y + y + + z + z + = GV:Mai Thnh LB ễN THI VO L P 1010 2 ( x + 1) + ( y + 1) + ( z + 1) = x +1 = y + = x = y = z = z +1 = A = x 2009 +...
... = 11 đáp án Câu 1a) f(x) = x x + = ( x 2) = x Suy f(-1) = 3; f(5) = b) x = 10 x = 12 f ( x ) = 10 x = 10 x = c) A= x2 f ( x) = x ( x 2)( x + 2) Với x > suy x - > suy A = x+2 Với ... BCy = BAC Khi đó, D giao điểm ằ Cy AB ã ã ã Với giả thi t ằ > BC BCA > BAC > BDC AB ằ D AB Vậy điểm D xác định nh điểm cần tìm Cõu5 Từ giả thi t ta có : O B C x2 + y + = y + 2z +1 = z + ... max A = 2 x = y = Đề Câu 1: Cho hàm số f(x) = x x + a) Tính f(-1); f(5) b) Tìm x để f(x) = 10 c) Rút gọn A = f ( x) x x2 x( y 2) = ( x + 2)( y 4) ( x 3)(2 y + 7) = (2 x 7)( y + 3)...
... Cho h m số f(x) = x 4x + a) Tính f(-1); f(5) b) Tìm x để f(x) = 10 c) Rút gọn A = f ( x) x x2 GV:Mai Thnh LB ễN THI VO L P 10 x( y 2) = ( x + 2)( y 4) ( x 3)(2 y + 7) = (2 x 7)( y + ... = 11 đáp án Câu 1a) f(x) = x x + = ( x 2) = x Suy f(-1) = 3; f(5) = b) x = 10 x = 12 f ( x) = 10 x = 10 x = c) A= x2 f ( x) = x ( x 2)( x + 2) Với x > suy x - > suy A = x+2 Với x ... = ( ) ( ) ( ) Cộng vế đẳng thức ta có : x + x + + y + y + + z + z + = GV:Mai Thnh LB ễN THI VO L P 1010 2 ( x + 1) + ( y + 1) + ( z + 1) = x +1 = y + = x = y = z = z +1 = A = x 2009 +...
... Đ ÔN THIVÀO L P 10 Bài Gi i ph ng trình sau: x4 = 8x + ÔN THIVÀO L P 10 THPT Đ S 02 Bài Cho bi u th c: P = ... mãn đ ng th c: GTLN a − 1.b = b − a − cho a đ t ÔN THIVÀO L P 10 THPT Đ S 06 Bài Hà Vân (S u t m) Toan6789.wordpress.com Đ ÔN THIVÀO L P 10 ... − a) > 4 Hà Vân (S u t m) Toan6789.wordpress.com Đ ÔN THIVÀO L P 10 - ÔN THIVÀO L P 10 THPT Đ S 07 Bài Cho bi u th c: P = + x : x +1 x − −...
... 19 Đềthi thức (đợt 2) Kỳ thituyển sinh lớp10 THPT Năm học 2009-2 010 Môn thi: Toán Thời gian làm bài: 120 phút không kể thời gian giao đề Ngày 10 tháng 07 năm 2009 (Đề thi gồm có: 01 ... là: Vì ôtô khách đến B trớc ôtô tải 36 phút nên ta có PT: 180 180 = x 1010 x 180 .10 x x( x 10) = 180 .10( x 10) x 10 x 3000 = ' = + 3000 = 3025 ' = 3025 = 55 x1 = +55 = 60 ( TMĐK) x2 = ... = -2 x = Sở GD ĐT Tỉnh DAK LAK Đềthi 12 Kì thituyển sinh lớp10 Trung học phổ thông Năm học 2011-2012 Môn thi: Toán Thi gian lm bi: 120 phỳt (khụng k thi gian giao ) 19 Cõu 1: (2) Rỳt gn...
... phân giác góc ADE cắt AE I đờng phân giác góc AED cắt AD K Gọi S, S1, S2, S3 lần lợt diện tích tam giác ABC, DEI, DEK, DEA Gọi H chân đờng vuông góckẻ từ I đến DE Chứng minh: S3 IH = DE + AD S3 S3 ... Đặt S diện tích ABC, 2p chu vi DEF a Chứng minh: d//EF b Chứng minh: S=pR câu 4: (1 điểm) Giải phơng trình: x + 16 = 2 x + + x đềthituyển sinh lớp10 11 môn thi: toán 1: (2 điểm) Thời gian ... thức: BN+BP+BM+BQ>8R câu 4: (1 điểm) Tìm giá trị nhỏ hàm số: y= x + 2x + x + 2x + đềthituyển sinh lớp1010đề thức: môn toán câu 1: (2 điểm) Thời gian làm bài: 150 phút Tính giá trị biểu...
... thẳng (d) parabol (P) điểm chung Bài 3: ( 1,5 điểm): Hai ô tô lúc khởi hành tứ thành phố A đến thành phố B cách 100 km với vận tốc không đổi.Vận tốc ô tô thứ hai lớn vận tốc ô tô thứ 10km/h nên ... quy định ngày chở thêm 10 Hỏi theo kế hoạch đội xe chở hàng hết ngày? Bài III (1,0 điểm) Cho Parabol (P): y = x đường thẳng (d): y = 2x − m + 1) Tìm toạ độ giao điểm Parabol (P) đường thẳng (d) ... thoả mãn 2x + y = Bài (2,0 điểm)Trong mặt phẳng tọa độ Oxy, cho parabol (P): y = x đường thẳng (d): y=ax + ( a tham số ) Vẽ parabol (P) Chứng minh (d) cắt (P) hai điểm phân biệt Gọi x1 ; x2 hoành...
... (b - c) (c - a) (a - b) b) Tính giá trị biểu thức: 2 4 A = 2 010 - 2 010 + + 2 010 ÷ - 2 010 2 010 ÷ 1+ + 2 010 2 010 + 2 010 Câu 2: a) Cho a, b, c độ dài cạnh tam giác, chứng minh: 1 a+b+c ... x + 2 010 = 2 010 (1) Điều kiện: x ≥ - 2 010 (1) ⇔ x + x + - x - 2 010 + x + 2 010 - =0 x + 1 1 ⇔ x + ÷ - x +2 010 - ÷ = ⇔ 2 2 x + 2 1 = x + 2 010 - (2) 2 1 = - x + 2 010 + ... AB; E thuộc AC cho chu vi tam giác ADE 2R a) Chứng minh tứ giác ABOC hình vuông b) Chứng minh DE tiếp tuyến đường tròn (O; R) c) Tìm giá trị lớn diện tích ∆ADE Câu 5: Trên mặt phẳng cho 99 điểm...
... 31 People say that they bought this shop last year - It is said that they bought this shop last year / - They are said to have bought this shop last year 32 "How much you think it will cost?" he ... by air 39 The students/ study/ for exam/ now The students are studying for their exam now 40 It/ be/ such/ cold day/ we/ decide/ not/ go out It was such a cold day that we decided not to go out ... 39 Compost / can / made / household / garden waste / Compost can be made from household and garden waste 40 Flight 710 / Chicago / take off / ten / minutes / The flight 710 to Chicago takes...
... A not decide B didnt decide C havent decided D hadnt decided 31) My father as a teacher for thirty years A works B is working C worked D has worked 32) He to New York three times this year ... drug soon 34 This book / ought/ read/ on the spot A This book ought be read on the spot B This book ought to been read on the spot C.This book ought to be read on the spot D This book ought to ... independently D.A & B are correct 28.People think that he was born in a rich family A That is thought he was born in a rich family B He was thought to be born in a rich family C That he was born...
... A not decide B didnt decide C havent decided D hadnt decided 31) My father as a teacher for thirty years A works B is working C worked D has worked 32) He to New York three times this year ... drug soon 34 This book / ought/ read/ on the spot A This book ought be read on the spot B This book ought to been read on the spot C.This book ought to be read on the spot D This book ought to ... independently D.A & B are correct 28.People think that he was born in a rich family A That is thought he was born in a rich family B He was thought to be born in a rich family C That he was born...
... She bought too many clothes to wear She bought so 38 It’s raining, so we can’t have lunch in the garden I wish 39 I’ve never read such an interesting book ... interesting to secondary school students Secondary students feel ***The end*** §Ò tuyÓn sinh líp 10 (2008 – 2009) – (No 2) I Choose the word whose underlined part is pronounced differently ... passage and decide if these statements are True or False: A massive earthquake struck central China on Monday12th May, 2008, killing more than 7,600 people and trapping nearly 900 students under the...
... students never understand you, they? ~ ? A Do the students never understand you? B Are the students never understand you? C Don’t the students never understand you? D Do they the students ... students never understand you, they? ~ ? A Do the students never understand you? B Are the students never understand you? C Don’t the students never understand you? D Do they the students ... 31 People say that they bought this shop last year - It is said that they bought this shop last year / - They are said to have bought this shop last year 32 "How much you think it will cost?" he...
... bn v mt s thi tham kho (cú ỏp ỏn) - Mụn Toỏn c vit theo hỡnh thc B ụn thi, gm hai phn: mt phn ụn thi vo lp 10 THPT, mt phn ụn thi vo lp 10 THPT chuyờn da trờn cu trỳc thi ca S Mi thi u cú li ... rng: 2 (b - c) (c - a) (a - b) b) Tớnh giỏ tr ca biu thc: A = 2 010 - 2 010 + + 2 010 ữ - 2 010 2 010 ữ 4 1+ + 2 010 2 010 + 2 010 Cõu 2: a) Cho a, b, c l di cnh tam giỏc, chng minh: 1 a+b+c + ... ca ụ tụ th hai l: x 10 (km/h) (k: x > 10) 120 Thi gian ụ tụ th nht v ụ tụ th hai chy t A n B ln lt l x 120 (h) v (h) x - 10 120 120 = 0, Theo bi ta cú phng trỡnh: x x - 10 Gii ta c x = 60 (tha...
... trªn tê giÊy nµy.§Ò thi gåm cã tê) Mark Teacher’s remark I Which underlined part is pronounced differently from the others? (1.0 m) A balloon B ban C band D bamboo A seat B seaside C search D seaport ... m) A balloon B ban C band D bamboo A seat B seaside C search D seaport A tidal B sight C divide D describe A missed B smoked C stopped D pleased II Circle the best option (A,B,C or D) to complete ... talking about how to protect our environment A effective B effectively C effect D effectiveness I suggest we to the movies A went B to go C should go D going The car he has just bought is...