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huaypnh
2 năm trước
Điểm kiểm tra một tiết môn toán của một tổ học sinh đc ghi lại ở bảng như sau: Giá trị(x) 5 6 9 10 Tần số(n) 2 5 n 1 Biết điểm trung bình cộng bằng 6,8.Hãy tìm giá trị của n (giúp mk nha m.n mk cảm ơn trước)
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EXECISE 1 .Choose the correct form: 1.- I heard Daniel isn’t very ………….(good/ well) - Well, he fell and hurt himself quite ………..(badly/ bad) 2. – There was a ……….(terrible/ terribly) accident on this road two days ago, wasn’t there? - Yes, two people were killed and the driver of the car was …………(serious/ seriously) injured. 3. - The weather was so ……….awful/ awfully) yesterday. - yes, it was raining quite ………..(heavy/ heavily) so we stayed at home all day. 4. You haven’t cleaned the floor ………….(proper/ properly). It still …………(dirty/ dirtily) Oh,sorry. I is still…………..(dirty/ dirtily). 5. You didn’t look very ……….(happy/ happily) last night. Well, I was disappointed that I did so ………..(bad/ badly) in the exam. 6. – Can you remember what happen? - I can’t remember …….(clear/ clearly).It all happened so ………(sudden/ suddenly) 7. Don’t go up that ladder. It doesn’t look ……….(safe/ safely) - Don’t worry. I’ll climb …………(careful/ carefully). 8. Did you go to Sally’s birthday party? - Yes, It was really a ………..(cheerful/ cheerfully) party. Everybody at the party was. (colorful/ colorfully) dressed. 9. – Why do you look so …..(nervous/ nervously)? - Oh, my! I’ve just got a mistake. I interrupted my boss while he was on the phone, and he looked at me (angry/ angrily) when I interrupted him. 10. – Have you seen Richard ………..(recent/ recent Ai lam giúp mình vs ạ

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