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• 设函数f(x)=x²+ax+b,若集合{x|f(x)=x}={a} 求a,b的值

  1年前

• As the bus came round the corner,it ran ______ a big tree by

  1年前

• 弱酸电离常数的测定1乙酸的起始浓度是如何获得的,用甲基红作指示剂可以吗2测定PH值时,为什么要按从稀到浓的次序3如何计算

  1年前

• I am not a baby keeper and you are not my responsibility nei

  1年前

• 用正确的时态填空.急My watch doesn't work.I have to have it ______ (修理

  1年前

精彩回答

• Li Ming is taller __________ Danny. [ ]

  1年前

• What is the sixth day of the week?

  1年前

• My backpack is________ than hers. [ ]

  1年前

• The plane was very comfortable. We flew to Beijing in the plane. (用定语从句改写)

  1年前

• She did some hard work last week.改否定句

  1年前