vt 1 đoạn văn về con vật bạn yêu thích

cho tam giác abc điểm d,e thuộc ab sao cho ad=de=eb. vẽ dg,ef // với bc a) cm: ag = gf = fc b) cho dg = 5 cm. tính bc

viết các biểu thức sau thành vế kia của hằng đẳng thức: 1.x^3-9x^2+27x-27 2.x^3+3x^2y+3xy^2+y^3 3.(x+1)(x^2-x+1) 4.(x-1)(x^2+x+1)

Bài 1: Tính giá trị biểu thức bằng 2 cách a) (8+14)*2516 b) 782*(4+8) c) 345*(9-5)

Mn oi jup e lam nhung bai nay vs a , e can gap

Bài điền giới từ. Mng giải giúp mình bài này vs ạ

I: Rewrite the following sentences using questions words+to infinitives 1: We don't know where we should put the sofa ------------------------------------------------------------------------- 2: The rules didn't specify who i should speak to in case of an emergency ------------------------------------------------------------------------- 3: Mai wondered how she could ride the scooter ------------------------------------------------------------------------- 4: Let us decide when we should start the project ------------------------------------------------------------------------- 5: Could you tell me where i can find a good hotel ? ------------------------------------------------------------------------- 6: We must find out what we are to do next ------------------------------------------------------------------------- 7: A good dictionary tells you how you should pronounce the words ------------------------------------------------------------------------- 8: We are not sure who we will meet at the entrance ------------------------------------------------------------------------- 9: I can't remember when i have to turn off the oven ------------------------------------------------------------------------- 10: Do you know what you should look for ? ------------------------------------------------------------------------- II: Finish each of the following sentences in such a way that it is as similar as possible in meaning to the original sentences. Use the word given and other words as necessary. Do not change the form of the given words. Example: 0: There are five rooms in our house. HAS Our house HAS five rooms 1: " What do you think about teenagers who dye their hair? " THOUGHT ------------------------------------------------------------------------- 2: It was quite surprising for us that he passed the exam. SURPRISED ------------------------------------------------------------------------- 3: " If i were you, i would tell her the truth ", said Phong to Khoa. ADVISED ------------------------------------------------------------------------- 4: We don't know how we should solve the problems. TO ------------------------------------------------------------------------- 5: " Have i ever met him before? " Laura said to herself. WONDERED ------------------------------------------------------------------------- III: Finish each of the following sentences in such a way that it means the same as the sentences printed before it 1: Despite the heavy snow, the explorers managed to walk to the village Although ------------------------------------------------------------------------- 2: Duong has a good relationship with his neighbours Duong gets ------------------------------------------------------------------------- 3: " You've passed your driving test, Ron! Well done! " said Carol Carol ------------------------------------------------------------------------- 4: Did you find my passport when you were tidying my roon, Mum? Did you come ------------------------------------------------------------------------- 5: This was one of the most powerful earthquakes ever No other earthquakes was ------------------------------------------------------------------------- IV: Rewrite the following sentences, using question words+to infinitives 1: Do you understand what you are to do now? 2: You have to tell me when i should press the button 3: I can't decide whether I should wear the red dress or the black one to the party 4: I asked the teacher to tell me how i could improve my pronunciation 5: Can you show me where I can get tickets for the show?

phân tích các đa thức sau thành nhân tử 5x^3-10x^2+5x , x(x+y)-7x-7y

Mink đang cần gấp giúp mink nha

phân tích đa thức thành nhân tử a) -14x^2+39x-10 b) x^3+2x^2-25x-50 c) 4x^3-14x^2+6x d) x^3+4x^2-29x+24 e) x^3+21x^2+134x+240