在下列单项式中，与2xy是同类项的是_刷题宝

题干

在下列单项式中，与2xy是同类项的是（）

A：2x²y²

B：3y

C：xy

D：4x

上一题下一题 0.0难度选择题更新时间:2018-10-08 08:11:15

答案(点此获取答案解析）

C

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已知函数f（x）=x²+ax﹣lnx，a∈R．

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A

Today is August 3rd. Tomorrow (明天) is Peter's grandfather's birthday. It is his 73rd birthday. Peter's two sisters, Sally and Tina, and Peter buy some things for their grandfather this afternoon. Sally buys a nice birthday card. And she writes(写) “Happy birthday” on it. Tina buys a blue shirt from a clothes store. It is $29. Peter buys some fruits and a set of books. The name of the books is Harry Potter (哈里波特)

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