Phân tích thành nhân tử, với x,y không âm

27 mũ 11 và 81 mũ 8 625 mũ 5 và 125 mũ 7 So sánh ạ

vẽ mầm nl:có bác nào lớp 6 khum

TEST I. Choose the word whose underlined part is pronounced differently from the others. 1. a. actor b. painting c. anthem d. gallery 2. a. decide b. exciting c. exhibit d. organise 3. a. educated b. played c. recycled d. changed 4. a. cello b. choose c. kitchen d. concert 5. a. sugar b. closure c. share d. anxious II. Choose the odd one out. 1. a. music b. cello c. guitar d. drums 2. a. actor b. artist c. painting d. singer 3. a. cello b. violin c. saxophone d. guitar 4. a. jazz b. pop c. rock d. anthem 5. a. The Spice Girls b. Gangnam Style c. The Beatles d. ABBA III. Choose the best answer a, b, c, or d to complete the sentence. 1. His Jacket is almost the same colour __________ mine. a. with b. as c. to d. for 2. Water puppetry began __________ the 11th century. a.in b. on c.at d.from 3. The __________ is rather older now; however, his acting ability has never been better. a. composer b. actress c.artist d. actor 4. Janna can’t play the piano, and Carol can’t play it __________. a. either b. too c.neither d. as well 5. Juan and Patricia are not the same height Juan is __________ Patricia. a. as tall as b. not as tall as c. more tall than d. not tall than 6. Saxophones are used mainly for __________ jazz music. a. composing b. taking c.playing d. writing 7. I went to the 3D __________ last weekend. The paintings were excellent! a. movie theater b. concert hall c. opera house d.art museum 8. __________ I’m not a fan of country music, I thoroughly enjoyed his lively performance. a. Although b. Because c.As d. However 9. __________ does a water puppet show take place? ~ In a pool. a. What b. When c.How d. Where 10. Which is the national anthem of Vietnam? a. Tieu Doan 307 b.Chien si Viet Nam c. TienQuanCa d. Tienve Ha Noi IV. Write the correct tense or form of the verbs in brackets. 1. My home town ________________ (change) a lot in the recent years. 2. Please, stop! You ________________(drive) so fast. 3. The paintings ________________(make) on Dzo paper with natural colours. 4. Yesterday I ________________(go) to the centre and ________________(see) an exhibition. 5. As soon as I ________________(finish) painting my room, I’ll paint the kitchen. 6. I ________________(be) to England three times so far. 7. The children ________________ (not be) at home last Sunday. 8. Do you think we ________________ (write) a test tomorrow? 9. Are you interested in ________________(do) community service? 10. Some teenage girls volunteered ________________ (work) at the local hospital. V. Supply the correct form of the words in brackets. 1. Avatar is probably the ______________film I’ve ever seen! (bad) 2. A dancer must throw her heart and soul into every ______________. (perform) 3. I think Men in Black 1 was as ______________asMen in Black 3. (excite) 4. Although John and Andrew look exactly alike, they act quite ______________. (different) 5. Dong Ho paintings are made with ______________colours. (nature)

Cho tam giác ABC vuông tại B. Trên nữa mặt phẳng bờ BC không có điểm A, vẽ tia Cx vuông góc BC. Trên tia Cx lấy M sao cho CM = AB. Chứng minh A, M và D là trung điểm của BC thẳng hàng. Giúp mk với mk cần gấp.đúng cho ctlhn vote 5*nhaaaaaaa

So sánh 9 mũ 12 và 27 mũ 7 2 mũ 100 và 1024 mũ 9 125 mũ 80 và 25 mũ 118

Hãy vẽ cảm ứng từ 𝐵⃗ 1,𝐵⃗ 2 và 𝐵⃗ = 𝐵⃗ 1 + 𝐵⃗ 2 tại điểm M của từ trường do hai dây dẫn mang dòng điện I1 và I2 như hình vẽ.

Giúp mình với ạ, mình đang cần gấp

Cho tam giác đều ABC, M là 1 điểm bất kì nằm bên trong tam giác. Dựng P thuộc AB, Q thuộc AC sao cho MP//BC và MQ//AB a) CM rằng APMQ là hình thang cân b) CM rằng MB + MC > MA

Hãy vẽ ảnh của vật AB tạo bởi thấu kính. Tính vị trí ảnh, độ phóng đại ảnh. Biết rằng vật đặt cách thấu kính một khoảng 0,20 m.Thấu kính có tiêu cự 0,15 m.