giải phương trình$\sqrt[4]{x}$ +1=$\sqrt[4]{x+1}$

1) Nhóm các hạng tử a) 2.x.y - a.x + x^2 - 2.a.y b) x^2 - (a+b)x + ab c) x^n - y^n - x.y^n + x^n+1 d) x^2 + 2.x + 3.x^2.y + 6.x.y + 12.y + 4 2) Đặt nhân tử chung -5.x^m.y - 15.x^n.y ( m > n )

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viết calli chữ '' dargon '' nhé

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II. Read the passage carefully then answer the questions. People of ethnic minorities in Phu Yen celebrate Hoi Mua Festival every March. It is held to thank the Rice God for the crop, and to pray for better crops in the future. Families also worship their ancestors and parents on this occasion. Villagers voluntarily contribute money and other things to celebrate the festival.In this festival monks are invited to preach. People play drums, sing songs and dance. They also drink rice wine through a long thin bamboo tube. There are some other activities such as cultural shows, buffalo races, and traditional games. The festive atmosphere is felt around all the villages. Questions: 1. Who in Phu Yen celebrate Hoi Mua Festival every March. 2. When is it held? 3. What do villagers voluntarily contribute to celebrate the festival? 4. Are monks invited play drums, sing songs and dance? 5. Where is the festive atmosphere felt ? Rewrite these sentences, so that their meaning stays the same, using the beginning given for each.(1 pt) 1. What is the distance between Quang Ngai and HCM city? => How…………………………………………………………….? 2. I often walked to school when I was a student. => I used…………………………………………………………… 3. Although Tom was a poor student, he studied very well. => In spite of 4. Although the weather was bad, she went to school on time. => Despite

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