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Đề bài: Điền các đơn thức thích hợp zào chỗ trống: a) (x-1/2)^2= x^2 - ..........+1/x^2 b) (1/2 x+ ......... ) (1/4 x^2 - ....... +1/9 y^2)= 1/8 x^3+ 1/27 y^3
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1. Having a vacation in Da Lat is very interesting.  It ………………………………………………………………………. 2. The water was so hot that I could not drink it.  The water was not ………………………………………………………………………. 3. She last ate this kind of food in January.  She has not ………………………………………………………………………. 4. I would like you to move this table.  Do you mind ……………………………………………………………………… 5. She said to me “Don‘t go out in the evening”.  She ………………………………………………………………………. 6. The theater is near Hoa‘s house  The theater is not ………………………………………………………………………. 7. How about going to the movie tonight?  Let’s ………………………………………………………………………. 8. Air travel is faster than any kind of transport.  Air travel is the ……………………………………………………………………….

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