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bichtramle1342001
2 năm trước
Mn giúp mình với .mình vote 5* ạ Cho x mol Mg vào dd đồng thời chứa a mol Zn(NO3)2 và b mol AgNO3 .Điều kiện cần và đủ để dd sau phản ứng chỉ chứa 1 muối là ?
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21. David (jog). _now. 22. Mr. Hung (go) _to the movies once a month. 23. Nam (want) _to travel to Vung Tau very much. 24. We (go) _to visit Ha Long Bay next week. 25. Mai and Lan (go) _to the zoo once a month. 26. David (like) swimming in the summer. 27. Phuong ( stay) _with her aunt for a week this summer 28. It's very far from here. Let's (go) by bus. 29. What about ( visit) _him this weekend? 30. What time .....................you go )... ............to school ? 31. Lan ( watch ) .........TV three times a week. 32. Nam and Ba often (go) .............. fishing on Sundays. 33. We (not go ) .........to school on Sundays. 34. Lien ( not listen )..... ..........to music every night. 35. My brother likes jogging. He (jog ) ...............every morning. At the moment he (jog) ............. in the park. 36. What is she doing ? She (cook ) ......... ..... lunch. 37. Where is he ?. He (be ) ................ in the yard. He (play ) .......... ..badminton. 38. Ba (not read ) ........ .... now, he ( do )... ......his homework. 39. ....................... Lan and Hoa (skip) ............................ now? 40. They ( do )...... ........... their homework tonight. 41. Nam ( visit). ....... Hue this summer vacation. 42. What are you going to do this summer vacation? I (visit ) ................Ha Noi. 43. We (waste) ...............too much power at the moment. 44. He (buy) .....................a new house next month? 45. The Nile river (be)..........the longest river tn the world and it (flow)..........to the Mediteranean Sea. 46. Mr. and Mrs. Thinh ( not grow) ............vegetables in their garden.

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