Cho tam giác ABC có 3 góc nhọn nội tiếp đường tròn tâm o. Các dg tròn cao AM,BM,CP cắt nhau tại H và cắt dg tròn tâm o lần lượt tại các điểm D,E,F CM rằng tứ giác CNHM NỘI tiếp b, 4đ B,C,N,P cùng thuộc một dg tròn

.The heavy rain makes it more difficultly to drive. Tìm lỗi sai và sửa cho đúng Tại sao lại sửa thành thế

Cho tan giác ABC vuông tại A; AB = 12cm, AC = 16cm; tia phân giác AD, Đường cao AH. Tính HD, BH, HC

Phân tích thành nhân tử d) (3x+1)^2 -4(x-2)^2 e) 9(2x+3)^2 -4(x+1)^2 f) 4b^2c^2-(b^2+c^2-a^2)^2 g) (ax+by)^2 - (ay+bx)^2 h) (a^2+b^2-5)^2 -4(ab+2)^2 i) (4x^2-3x-18)^2 -(4x^2+3x)^2 k) 9(x+y-1)^2 -4(2x+3y+1)^2 l) -4x^2 +12xy-9y^2+25 m) x^2-2xy+y^2-4m^2+4mn-n^2

cách viết phân số trong Phần Mềm Word nha mn! tsk tsk tsk

Viết cali ;" lười học quá " AI vào tư vấn tâm ly cho em

17. She ‘doesn’t’ allow anyone ‘smoking’ ‘in’ her ‘own’ room. A B C D 18. ‘Changeable’ and ‘uncertain’ people are incapable ‘in’ ‘true’ friendship. A B C D 19. It ‘took’ ‘him’ two hours ‘flying’ ‘to’ Ha Noi. A B C D 20. While I ‘had’ ‘a’ bath, someone ‘knocked’ on ‘the’ door. A B C D giúp em tìm lỗi sai ạ em cảm ơn

Exercise 4: Use the word at the end of each sentence to form a new word that fits into the sentence. 1. The ………………… . in this place is absolutely terrible. I want my money back. (SERVE) 2. Could you help me make a ………………… . . I don't know which phone to buy. (DECIDE) 3. Even very good clothes are quite ………………… . in this shop (AFFORD). 4. There are no further ………………… . for applying for this job. (REQUIRE) 5. My mother had no idea that this vase was so ………………… . (VALUE). 6. Companies should always tell the ………………… . in their advertisements. (TRUE) 7. Credit cards are really ………………… . , but you have to be careful with them (USE) 8. I read a ………………… . of all the new mountain bikes. This one is the best. (COMPARE) 9. Before you get money from the bank you have to make a ………………… . about whether you can pay it back or not. (JUDGE) 10. He has been an ………………… . banker for ages (INVEST)

5. We might have robots ourmeals. A. Cook B. To cook C. Cooking D. To cooking 6. A hi-tech robot willhelpus children while we areaway. A. Look out B. Look at C. Look after D. Look in 7. I would like to have my housebythe .....so we can seethe beach from my window. A. mountains B. City C. Sea D. Countryside 8. We might have a TV to watch TV programmes fromspace. A. Wireless B. Remote C. Automatic D. Local 9. pencils and paper, every student will have a computer. A. By B. Instead of C. Instead D. at 10. The house will have a super smart TV tosendand theemails. A. Post B. Give C. Get D. buy

phân tích các đa thức sau thành nhân tử 5x3 +10x3+5x