: Cho a,b,c là các số thực dương thỏa mãn: a+b+c+d=4. Tìm giá trị nhỏ nhất của biểu thức P=a/1+b^2+b/1+c^2+c/1+d^2+d/1+a^2

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Nối câu sử dụng các từ: so, too ( 8pts ) Ex: I watched TV. He watched TV  I watched TV and he did, too.  I watched TV and so did he. 1. They can play volleyball. We can play volleyball. ............................................................................................................................ ............................................................................................................................ 2. Mr. Tam will come to the party tonight. His wife will come to the party tonight. ............................................................................................................................ ............................................................................................................................ 3. She is learning English. I am learning English. ............................................................................................................................ ............................................................................................................................ 4. I’m a doctor. They are doctors. ............................................................................................................................ ............................................................................................................................ 5. They must go to bed early. You must go to bed early. ................................................................................................................................. ................................................................................................................................. 6. He got up late. I got up late ................................................................................................................................. ................................................................................................................................. 7. They drank milk. We drank milk ................................................................................................................................. ................................................................................................................................. 8. She buys some bananas. We buy some bananas. ................................................................................................................................. .................................................................................................................................