tìm x (2,7.x-3/2.x):2/7=-21/4 (ghi rõ từng bước)

tìm giá trị nhỏ nhất của biểu thức: A=|x-2|+|y+5| -10 với x, y là số nguyên B=(x-8)^2 +2005 tìm giá trị nhỏ nhất của biểu thức: C=-(x-5)^2 +15

Giúp mk nahs :>>> mk sẽ tick 5 sao nà :)))

WORD FORM 1. He is one of the best ______________ in the world. (photograph) 2. Their first public ______________ was not very successful. (perform) 3. The shoes were nice, but they were ______________. (comfort) 4. Hoa and Nien used to be next-door ______________. (neighborhood) 5. I can’t see him now; it’s ______________. (convenience) 6. They are very busy with the Covid 19 _______________. (prevent) 7. Ms. Thao thinks the food in Chang Kang Kung is ______________. (taste) 8. My brother succeeded the competition ______________. (pride) 9. My sister speaks French ______________. (nature) 10. They are members of an international ______________. (organize) 11. How ______________ my daughter broke my most beautiful vase! (care) 12. She had no ______________ for her absence. (explain) 13. “Suoi Tien” is among the most well-known parks of ______________. (entertain) 14. The Covid problem is becoming ______________. (bad) 15. Television is very ______________ nowadays. (popularity)

Viết phương trình hóa học của phản ứng xảy ra (nếu có) khi lần lượt cho các chất CO2, CuO, Fe2O3,Mg, Ba(OH) tác dụng với dung dịch H2SO4 loãng.

thuc hienn phep tình 1/x+2 +x+1/x+2 cho em xin dáp án a.

1. to him / encouragement / The teacher’s / words / were a great /. / The teacher’s 2. are necessary for / and doing grammar exercises / language learners / Both studying vocabulary / in mastering new language /. / Both studying vocabulary 3. from modern technologies / It is very / foreign language / and well-qualified teachers / useful to learn /. / It is very 4. on campus / Nowadays, / living in a dormitory / most of students / are fond of /. / Nowadays, 5. in this area / We hoped / would know / this advertisement / that a large of learners our school through /. / We hoped 6. I believed that / Unlike my sister, / is very useful / mastering a foreign language /. / Unlike my sister, 7. to make a plan right now / to pass an International Examination / If you want / you have / like IELTS /. / If you want 8. to her / the Seattle School / neither contacted phone / She said that /nor sent any emails, /. / She said that 9. for beginner / provides various places / or intermediate students / Our school/ in all levels /. / Our school 10. Paola hopes / around the world / she can communicate / through learning English / to people from /. / Paola hopes cảm ơn ạ

hãy viết đoạn văn khoảng 7 đến 10 câu theo có sử dụng phép thế và phép lặp (Gạch chân) để làm rõ những suy ngẫm của tác giả về đất nước qua đoạn thơ sau: Đất nước bốn ngàn năm Vất vả và gian lao Đất nước như vì sao Cứ đi lên phía trước cần gấp

làm giúp em phần c bài này vs ạ em cảm ơn

Câu 3: Tìm số nguyên x, biết : a) -13 + x = 39 b) 3x - (- 17) = 14 c) | x+9 |.2 =10 Ai làm giúp em vs ạ