1 loai sat colorua thanh phan co 44.09 % la Fe va 55,91% Cl. hoa tri cua Fe trong hop chat là CHỈ GHI KẾT QUẢ

Phân tích sự biến đổi năng lượng trong quá trình nhảy dù của phi công (khi dù chưa mở, khi dù đã mở, khi dù chạm đất)

tìm hai số có tổng bằng 8 tích của chúng bằng 15

Jan-Ove Waldner is widely regarded (3)_________the greatest table tennis player of all-time. He was born in 1965 (4)_________Stockholm, Sweden. He is often referred to as "the Mozart of table tennis". He got Olympic gold (5)__________ in single in 1992.

Vẽ các nhân vật trong nhật kí mèo mốc

Ex 6: Fill in each blank with a suitable clause to complete the compound sentences. A. because it is bad for your health B. and this programme is on VTV3 C. so you will be fat; because the old one is broken; D. though it's not good for your health; E. but it is broadcast too late 1. You should eat less junk food .................................................................................................................................. 2. I want to watch this programme ............................................................................................................................ 3. My father will buy a new television …………………………………………………………………………………. Ex 7: Fill in each blank with a suitable clause to complete the compound sentences. A. Though his clothes are old B. and don't enter this room C. so TV is a good way to entertain D. Although he is young E. or you can do more exercise F. because it's not good for your eyes 1. ……………………………they look very clean and of good quality. 2. Don't spend too much time watching TV…………………………………………………… 3. You can eat less, …………………………………………………………………………

Phân tích các đa thức sau thành nhân tử. a/ x'y-y b/ z² – x² +10xy-25y c/ x^2 (x-y)+4(y-x)x-12(x-y) Phân tích đa thức thành nhân tử

giải giúp em câu 14 với. em cảm ơn ạ!

III. Rearrangement 1. bought / made / mother / dress / material / my / and / me / the / a / for /. → ______________________________________________________________________________ 2. summer / visit / you / Ha Noi / last / did / vacation /? → ______________________________________________________________________________ 3. dentist / had / Minh / a / went / yesterday / because / toothache / to / the / bad / he /. → ______________________________________________________________________________ 4. filled / cavity / in / dentist / week / his / a / tooth / last / the /. → ______________________________________________________________________________ 5. they / scared / children / come / the / see / feel / when / to / most / dentist / . → ______________________________________________________________________________ IV. Word forms 1. ____________________ is one of my hobbies and now I can make clothes for myself. (sew) 2. They looked poor and ______________________. (healthy) 3. Is your back still _______________? (pain) 4. Minh has to see the dentist because he has a ____________________. (tooth) 5. _______________ to teenagers can be difficult for parents. (talk) 6. Don’t eat a lot of ______________ food and sugar. (fat) 7. Hoa has a ____________ new hobby. (use) 8. It is very _________________ to catch the common cold. (pleasant) 9. I love watching the ___________________ little fish in the aquarium. (color) 10. She’s having _____________________ with her schoolwork this year. (difficult) V. Transformation 1. Don’t forget to brush your teeth every day. → Remember ________________________________________________________________________. 2. My head is terribly aching. → I ________________________________________________________________________________. 3. It is very useful to do morning exercises. → Doing morning exercises _____________________________________________________________. 4. Why didn’t you come to class yesterday? → Why were ________________________________________________________________________? 5. Children like the picture books very much. → Children are _______________________________________________________________________.

1.tìm điều kiện của x để phân thức sau đc xác điịnh a)A=3x+2/2(x-1)-3(2x+1) b)B=0,5(x+3)-2/1,2(x+0,7)-4(0,6x+0,9)