`a) 1-2y+y^2=(1-y)^2`
`b) (x+1)^2-25=(x+1)^2-5^2=(x+1-5)(x+1+5)=(x-4)(x+6)`
`c) 1-4x^2=(1-2x)(1+2x)`
`d) 8-27x^3=(2-3x)(4+6x+9x^2)`
`e) 27+27x+9x^2+x^3=(3+x)^3`
`f) 8x^3-12x^2y+6xy^2-y^3=(2x-y)^3`
`g) x^3+8y^3=(x+2y)(x^2-2xy+4y^2)`
Giups mk vs ạ Thuyết minh về nhà Rông
Giúp mình làm bài 3 nhé phần tự luận
Viết về tính cách của 5 bạn.Mọi người giúp em với ạ em đang cần gấp
Đề bài: Write about your living room. Giup với
tóm tắt truyện người con gái nam xương ( mng siêu tóm tắt luôn nha tầm 5-7 dòng thôi )
có 4 hình vuông. Diện tích 4 hình vuông là 200m2. Hỏi chu vi cả hình vuông đó là giúp mình với
VIII. Choose the best answer to complete the sentence 1.Van has finisbed school year and the. summer vucartion now A.had. B.'has his C.is having. D. has 2. My brother took up. wood as a iob three years ago A. carve. B. carving. C. carved. D. to carve 3. Emma went home, washed her clothers and. the floor A. clean. B. cleans C. has cleaned D. cleaned 4. I"ll eat. biscutts because I don't want to gainwweight A. much. B. more C. less. D. fewer 5 If our programme is good for others, us A. have you helped. B. will you help C. do tou help D. are you helping 6. I told him to stop playing games, he didn't take my advice A. but. B. or. C. so. D. and 7. My farther. exercise every morning, so he is healthy A. is doing B. did. C. do. D. does 8. My classmates enjoy. chess at break time so much A. to playing. B. to play. C. play. D. playing 9. Stan has learned using computer since he. in grade 6 A. is. B. was. C. has been D. will be 10. Helen should have more sleep, she will get sick soon A. or. B. and. C. but. D. so
Chọn đáp án thích hợp nhất diền vào ô trống để hoàn thành đoạn văn Minh is our new classmate. He is now living....his brother in Hanoi, but he's...........Bac Giang Town and his parents still........there. Minh's brother hourse is smaller........his house in Bac Giang, and it is on Xuan Thuy street. Our......... is in the center of Hanoi, so.......is about 8 kilometers from his new house...school. Every day, Minh goes to school........bike.Minh is unhappy because he doesn't..............many frriends in Hanoi. He also.............his parents and his friends in Bac Giang 1 At a)in b)with c)from 2 In a)at b)to c)from 3 Live a) to live b)living c)lives 4 Than a) to b)with c)as 5 House a)school b)factory c)hospital 6 He a)she b)It c)that 7 Away a)to b)From c)of 8 On a)in b)By c)with 9 Have a)to have b)Has c)to has 10Miss a)misses b)Missing c)is missing
Hinh chieu dung hinh chieu bang hinh chieu canh co huong nhu the nao vi tri cua chung tren ban ve ki thuat Giup e voi
Em hãy vẽ sơ đồ bộ máy chính quyền ở trung ương và địa phương thời Lý
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