Văn bản nhật dụng là gì ??? em bị lag nên đăng lại câu hỏi :(((

5*****Write a paragraph to talk about things parents and children should do to bridge the generation gap in the family.

Làm giúp mình câu này với,mình cảm ơn nhiều

Chứng minh : MC.MD không đổi khi M di động trên (O) Mn chỉ hướng lm cx đc

5x=8y và y-x=-12 giúp tui vs mng

Bài này mh chx hiểu , mong đc mng giúp đỡ

Help!!!!!! Cho dạng đúng của từ: 1. The thief looked into his rear-view mirror and ( realise ) ........... that he was being followed by a police car 2. Mark ( taste) ........ the wine when suddenly the fire alarm went off. He spilled wine all over his shirt 3. Although Tim is ill, he ( know) ....... what's happening around him 4. Why don't you braid your hair? You ( look) ......... better if you do so 5. I'm telling you the truth. Why ( you/ not/ believe ) ............ me? 6. Can we go somewhere else? I ( hate) ............ this place. It's so boring 7. My son ( seem ) ....... nervous when I asked him who had broken the window 8. Bob ( want) ....... a car for a long time, but he hasn't had enough money to afford one 9. They are really rich, but they always seem unhappy. I ( doubt) ........... that money can't bring them happiness 10. In 2010, the team ( consist) .......... of ten founding members, but now it expands to include more than thirty members

Rút gọn : B = (-5)^0 + (-5)^1 + ( -5)^2 + (-5)^3 +...+ (-5)^2016 + (-5)^2017

Tìm x x:8,5 = 0,69: (-1,15) (0,25x) :3= 4/5 : 0,125 Giúp mình với ạ

Trình bày được đặc điểm dân cư xã hội của vùng Trung du và miền núi Bắc Bộ.