cứu mình với mấy bn ơi mình dốt toán đố !!!!!!!!!!!!

So sánh A=7^16 - 1 và B= 8(7^8 +1)(7^4 +1)(7^2 +1)

Nhanhhhhhhh vs emmmmmm cầnnnnnn gấppppppppp

Giải giúp mình với! Đang cần gấp

(x - $\dfrac{5}{6}$) . (4-3x) $\ge$ 0

Các anh chị giúp e với ạ.e cảm ơn

Trc 9h xong nhé ! Dễ lắm :) (Hỏi hộ)

gấppppppppppppppppppppppppppppppppppppppppppppppppppppp

Chuyển các câu sau sang câu bị động 1. I buy these pencil-cases in this book store 2.He send a letter to his parents every week

21. She gave us more information.  22. They have provided the victims with food and clothing.  23. People speak English in almost every corner of the world.  24. You mustn’t use this machine after 5:30 p.m.  25. After class, one of the students always erases the chalk board.  26. They paid me a lot of money to do the job.  27. The teacher gave each of us two exercise books.  28. Someone will tell him that news.  29. They have sent enough money to those poor boys.  30. They have given the women in most countries in the world the right to vote. 