de thi thu vao 10 hay
5 ĐỀ THI THỬ VÀO 10 HAY
... qua điểm cố định S chạy tia đối tia DC Bài 5( 0 ,5 điểm) 4 Cho hai số dơng x, y thoả mãn điều kiện: x+y = Chứng minh: 8( x + y ) + Bài 1(2,0 điểm): Đề số: 05 xy x x 3x + x + 1ữ ữ: ữ x +3 x ... b) CMR: AM.CN = 2R2 c) Giả sử AM = 3BM Tính tỉ số CN DN Bài 5( 0 ,5 điểm) Cho a,b c ba cạnh ABC a3+b3+c3-3abc = Hỏi ABC có đặc điểm gì? Đề số: 04 Bài 1(2,0 điểm): x x Cho K = + x + ữ: x x ... A...
Ngày tải lên: 09/07/2014, 19:00
De thi thu vao 10 ( Hay da thi)
... y (cm) ĐK x > y > 0,25 Diện tích hình chữ nhật ban đầu là: xy (cm ) Nửa chu vi hình chữ nhật ban đầu là: 210: 2 =105 (cm) Ta có PT x + y = 105 0,5 Tăng chiều dài thêm 20 cm, chiều rộng thêm 10 ... hàng 0,25 Câu (1 điểm) Nội dung trình bày Điểm Ta có: x + xy + y = ⇔ ( x + 1 )( y + 1) = Áp dụng BĐT Cauchy, ta có ( x + 1 )( y + 1) ≤ ( x + y + 2) ⇒ x+ y+2≥6⇒ x+ y ≥ 4 Lại c...
Ngày tải lên: 04/02/2015, 02:00
Đề thi thử vào 10 hay
... to think B thinking C for thinking typewriters 28 A programs computers D that thought V - Complete the second sentence so that it has a similar meaning to the first one (0,4) 31 Can you use this ... to think B thinking C for thinking typewriters 28 A programs computers D that thought V - Complete the second sentence so that it has a similar meaning to the first one (0,4) 31 Can you use this ....
Ngày tải lên: 11/07/2015, 22:22
Đề thi thử vào 10 hay nhất
... C was built D is built C if I good D if I am met 13 Do you mind _me home? A taking B take 14 This building _in 1980 A built B builds 15 She asked me _ at English A if I was good B if ... much noise A not to make B no make C not making D don’t C since D already make 19 We have lived in this flat _five years A ago B for 20 I really enjoyed the disco It was great, _? A isn’t ... look forward to...
Ngày tải lên: 15/07/2015, 18:41
de thi thu vao 10 hay
... ………………………………………………………………………………… KEYS I- Choose the word with the different pronunciation of the underlined part (2M) 1.c decided 2.c climate 3.d conversation a who 5.b tropical II Choose the best answer (2M) ... outgoing, friendly and fun-loving nature Brazilian women are considered to be among the best dressed in the world Brazil is a federal republic with 23 states The capital city is Brasi...
Ngày tải lên: 17/12/2015, 05:03
de thi thu vao 10 (kha hay)
... pesticides save – trouble – polluting – taking - recycle Our environment is in (1) Modern ways of living and today’s industries are (2) it Most people think there is (3) they can This is ... This suit is different the one I saw yesterday Sales of jeans went and the shopkeepers got a lot of money VI Complete the passage using the words given in the box: (2pts) recycling – nothing ... people th...
Ngày tải lên: 20/08/2013, 23:10
DE THI THU VAO 10(KHA HAY)
... pesticides save – trouble – polluting – taking - recycle Our environment is in (1) Modern ways of living and today’s industries are (2) it Most people think there is (3) they can This is ... This suit is different the one I saw yesterday Sales of jeans went and the shopkeepers got a lot of money VI Complete the passage using the words given in the box: (2pts) recycling – nothing ... people th...
Ngày tải lên: 20/08/2013, 23:10
