5+5-4+156=? A.162 B.80 C.150 D.166

Câu 1: Cho đa thức A = 3$x^2$y+2,5x$y^2$+4$x^2$y-3,5x$y^2$ a) Thu gọn A. b) Tìm bậc của A c) Tính giá trị của A tại: x =$\frac{-1}{7}$ , y=14

Cho tam giác AOB cân tại O . Kẻ tia phân giác của góc AOB cắt AB tại H a) Chứng minh HA = HB b) Trên cạnh OA lấy điểm M và trên cạnh OB lấy điểm N sao cho OM = ON . Chứng minh HM = HN c) Chứng minh MN song song AB

I . sắp xếp các từ thành câu hoàn chỉnh 1. see / you /again / nice / to ........................................................... 2. our / classmate / is / this / new ........................................................... 3. have / any / doesn't / in / she / friends / Ha Noi ............................................................ 4. new / has / students / her school / a lot of .......................................................... 5. with / her / lives / Hoa / in / uncle / and aunt / Ha Noi ............................................................................... hứa cho 5 sao

III. LANGUAGE FOCUS 1. Put the words in the correct column, according to the sounds of the underlined parts. brush depression television measure rubbish /ʃ/ /ʒ/ 2. Choose the best option to complete each sentence. Circle A, B or C. 1. How ___________ apples do you want? - Two. A. many B. much C. are there 2. Would you like ___________ bread? A. a B. any C. some 3. When you go shopping, can you buy ___________ of sugar for me? A. a bag B. a piece C. a bar 4. I’d like some noodles ___________ tomato sauce, beef or pork. A. and B. with C. to gether 5. There ___________ any eggs. Can you buy ___________ on your way home? A. are/some B. aren’t/some C. aren’t/any 3. Choose the best option to complete each sentence. Circle A, B or C. 1. Can I have some___________? I want something sour. A. coffee B. green tea C. lemonade 2. I really like pho bo – beef noodle soup because it’s___________. A. sweet B. salty C. tasty 3. This chocolate cake can ______ six people. A. be enough B. eat with C. serve 4. In a bowl, ______ butter with eggs, sugar and vanilla until creamy. A. beat B. make C. stir 5. My mom often adds some ___________ to the fish to lessen its fishy smell. A. garlic B. salt C. turmeric

1) 82 giờ = ngày giờ 2) ĐÚNG GHI đ SAI GHI s a) 3 giờ - 1 giờ 43 phút = 1 giớ 17 phút b) 3 giờ - 1 giờ 43 phút = 1 giờ 57 phút C) 8 giờ 51 phút - 5 giờ 35 phút = 3 giờ 16 phút

Cho hai đường tròn (O;R) và (O;r) tiếp xúc ngoài tại A .Một đường thẳng (d) tiếp xúc vs cả hai đường tròn trên tại B và C với B€(O) , C€(O) a) chứng minh tam giác ÁC vuông b) Gọi M là trung điểm của BC. Chứng minh MA là tiếp tuyến chung của hai đường tròn (O) và (O')

hay viet doan van 12 cau ve loi song gian di cua bac ho

Hấp thụ hết V lí CO2 (đktc) vào bình 140 ml dd KOH 2M thu được dd chứa 23,04 gam muối. Tìm V

I. Complete the second sentence, using the word given in brackets so that it has a similar meaning to the first sentence. 5. I couldn’t read the letter because it was dark. Because of ……………………………………………………………… 6. I can’t study because it is noisy. Because of………………………………………………………………… 7.The train come late because it was foggy. Because of………………………………………………………………….. 8.Because there was a traffic accident, I went to school late. Because of………………………………………………………………… 9.She walked slowly because her leg was injured. Because of……………………………………………….………….. 10. Because it was sunny, we decided to go camping. Because of……………………………………………………………… 11. Because Phuong was tall, she never wear high heals => Because of ……………………………………………………………….. 12. Her mother asked her to go stay at home because she was headache => Because of …………………………………………………………………. 13.Because of the rain, we stopped the match Because ……………………………………………………………… 14.Because off his illness, Tom is absent today Because ……………………………………………………………… 15.Because of her kindness, everyone loves her Because ……………………………………………………………… 16.Because of my tiredness, I will have a long trip Because ……………………………………………………………… 17.Because his exam passing, his parent very proud of him Because ……………………………………………………………… 18.Because of the house’s dirt, I can’t feel comfortable Because ……………………………………………………………… 19.Because of her beautiful, her husband very loves her Because ……………………………………………………………… 20.Because of hot, we will travel to the beach this weekend Because ……………………………………………………………… 21.Because the problem’s difficult, I can’t understand Because ……………………………………………………………… 22.Because of the Math exam 10 mark, I am very happy today Because ……………………………………………………………… Nếu ai làm đc thì nói mk để mk tăng điểm ạ