X2 – 2m x + 4 =0 (2) ⦁    Tìm m để PT(2) có nghiệm  ⦁    Tìm m để PT(2) vô nghiệm 

Đề: Viết lại câu sao cho nghĩa ko đổi.
33. She never drives to the office.
34. Let’s eat out at Phuong Dong restaurant this weekend.
35. My mother didn’t often go jogging every morning last year.
36. What means of transport does Mrs. Smith use to travel to work?
37. Mr. Jackson is very tired. He is driving home very fast. (but)

A, Chứng tỏ rằng: M = 75.(42017+ 42016 +42 +4 + 1) +25 chia hết cho 10² 6+.