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ailaem628
2 năm trước
Phân tích các đa thức sau thành nhân tử bằng phương pháp dùng hằng đẳng thức a + b tất cả mũ 3 trừ c mũ 3 X mũ 3 trừ y - 1 mũ 3 X mũ 6 trừ 1 1 x mũ 6 + 1 X mũ 6 trừ y mũ 6 x mũ 12 trừ y mũ 4 1/27 + a mũ 3 1/8 x mũ 3 trừ 8 27 - 27 m + 9 m bình trừ m mũ 3
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Part 3: There is one mistake in each sentence. Underline the mistake and write the correction in the numbered boxes. (0) has been done as an example. (1.0 pt) 0.Miss Lien, that sings very well, is my English teacher. 1. I began to study English 5 years before. 2. We go to the beach at least once a week on summer. 3. I’m looking forward to see you soon. 4. The baby laughed happy as she played with her toys. Part 4: Use the words given in the box to complete the passage. There is ONE extra word that you do not need to use. (0) has been done as an example. Write your answers in the numbered boxes below. (1.0 pt) bad is damage for beautiful polluted These days it (0)________ impossible to open a newspaper without reading about the (1)________ we are doing to the environment. The earth is being threatened and the future looks (2)________. What can each of us do? We cannot clean up our (3)________ rivers and seas overnight. Nor can we stop the disappearance of plants and animals. But we can stop worsening the problem while scientists search (4)________ answers, and laws are passed in nature’s defence. Part 1: Finish each of the following sentences in such a way that it means exactly the same as the sentence printed before it. (0) has been done as an example. (1.5 pts) 0. The children like to walk in the rain. The children enjoy walking in the rain. 1. They held the 22nd SEA Games in Vietnam in 2003. The 22nd SEA Games were ______________________________________________________________________. 2. “How long have you been here, Mai?” asked Peter. Peter asked ______________________________________________________________________________________¬¬¬. 3. It’s a pity. I can’t speak English fluently. I wish _____________________________________________________________________________________________. 4. He last came back to his village in 2009. He hasn’t _________________________________________________________________________________________. 5. The journey to Australia interested the children a lot. The children felt very ___________________________________________________________________________. 6. Why don’t we go to the countryside this weekend? I suggest __________________________________________________________________________________________. Part 2: Use the words provided to make meaningful sentences. (0) has been done as an example. (0.5 pts) 0. Peter/ good student.  Peter is a good student. 1. Tom/ learn/ a lot/ Vietnamese people/ since / he/ arrive/ here. _____________________________________________________________________________________________________ ________________________________________________________________________________________________________ 2. Easter/ joyful festival/ celebrate/ many countries. _____________________________________________________________________________________________________ ________________________________________________________________________________________________________

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