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doanthihaocbl
2 năm trước
A=căn (25x-25)-15/2 (căn X-1/9)-căn(x-1) a)rút gọn a vs điều kiên thỏa mãn
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EXERCISE 1. Rewrite these sentences 1.No one I know is taller than he is. He is................................................ 2. No one has ever said such a nice thing to me. That’s............................................... 3. I prefer coffee to tea. I think coffee .................................... 4. It is’nt as warm in Canada as it is in Mexico. Mexico........................................... 5. There is less rain in Tokyo than in Athern in January. More rain.............................................. 6. The amount of rainfall is similar in London and New York. About the............................................ 7. Summer nights in Cairo are much warmer than in London. In London.................................. 8. Fewer people die from flu than 50 years ago. Not as......................................... 9. Our children behave much better than their. Their children...................................... 10. Their house has a larger garden than ours. Our garden........................... 11. What I earn in a month, he earns in a week. He earns...................................... 12. I expected the food they served to be nicer than it was. The food................................... 13. Henry has more champagne than me. I didn’t............................................... 14. The party ended earlier than I thought it would. The party didn’t............................................

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