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ngovanmanhh
2 năm trước
một bình thông nhau có tiết diện hai ống bằng sau (S) phía trên có 2 hít tông có khối lượng M và m a) tìm sự chệnh lệnh độ cao mực nước b)cần phải đặt thêm một vặt có khối lượng m1 là bao nhiêu để mực nước hai ống cân bằng
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Các câu hỏi liên quan

XI/ Rearrange the word to make the meaningful sentence 1. stamps / a child / Minh / since / collected / was / has / he. - ……………………………………………………………………………………. 2. tomorrow / can / not / we / somewhere / I / so / working / go / am. - …………………………………………………………………………………….. 3. back / in / months / England / going / two / are / to / they. - ……………………………………………………………………………………….. 4. information / entertainment / also / is / TV / only / but / not / bringing . - ……………………………………………………………………………………….. 5. struggle / on / always / nature / home / life / at / is / the farm / with / a. - ………………………………………………………………………………………

IX/ Rewrite the sentence, using the word given 1. Minh does morning exercises regularly. He wants to be healthy ( so as to ) ………………………………………………………………………………………….. 2. I’m learning English. I want to read book in English. (in order to) …………………………………………………………………………………………. 3. She said nothing . She didn’t want to make him angry (so as to) ………………………………………………………………………………………… 4.The man was taken to the local hospital. He was injured in the accident. (past participle) ………………………………………………………………………………………….. 5. The musician is internationally famous. He appeared in the concert last night. (present participle) ………………………………………………………………………………………….

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