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最新问答: 描写动物生活习性的句子快 若m+n=3,则2m2+4mn+2n2-6的值为______. 全微分方程通解到底是∫上x 下x0 P(x,y0)dx+∫上y下y0 Q(x,y)dy 还是 空中的氧气和氧气的体质比是21:78.660m³空中的氧气和氧气各多少立方米? 怎样游泳 用英语的词组说 1 a+b0,那么a-b的结果是( ) 二又二分之一+20%x=25 高中 函数综合题目 ..急.设a>0 函数f(x)=1/2x^2-4x+alnx (1)求函数f(x)的单调区间 (2) 反应原料的多少影响反应速率吗?我的意思是说发宁原料的加入量多了是不是反应到终点的时间就要长一点呢? 与船有关的诗句要两句标明作者诗名! 两个学生抄写同一个乘法算式,两个乘数都是两位数,他们各抄错了一个数字,但计算结果都是936,如果正确的结果并不是6的倍数 The day after Sunday is_____________________ 计算(3x+1)(x²-x-2)-x(x+1)(3x-2) someone复数单数someone is there.这里是is.someone like water.like是原形 cloud的中文意思是什么 等腰梯形的上、下底和腰长分别是4厘米、10厘米、6厘米,则等要提醒的上下角为多少 Range Rover:It's how the smooth take the rough 英语 同意句,教教,(2 21:59:58) 我希望有一天我能够实现我的梦想!I hope my dream will come true _____ ____! 十个硬币排成三角形只动三个,如何将三角形反过来