quietly await the arrival of the wind
最新问答: 谁知道g..j..l..m..n..r..s..t..w..x和y的音标, It was Children's Day.The boys and girls had n( )lessons. 氧气的主要用途之一是( )A. 做还原剂B. 做燃料C. 炼钢D. 灭火 f(x+y)=fx+fy 证明fx是奇函数 fx小于0,f1=-1/2,试求fx在【-2,6】最値 形容温度较高或较低的词语 yesterday前面能加on吗? 相对论的基本问题 f(x)=a|x-b|+2在[0,正无穷大)上为增函数,则实数a,b的取值范围?其中f(x)的对称轴是啥? 1—0.999上面有个10,10上面有个4, can students run in the hallways的答句可以为NO,we can't吗 函数f(x)=x的平方+x-1的值域是? 用两个重要极限求下面的极限lim(x→0)(sin2x/x) 如果两直线间的距离处处相等,那么这两条直线平行.这句话对不对请负... 上联:荷出水面,朱笔点天文;下联:藕入泥坛,玉管通地理.这幅对联是谁写的? 时光流逝用英文怎么说? f(x)=x^2+px+q(p、q∈R),A={x|x=f(x),x∈R},当A={-1,3}时,求f(x) 初二数学重点 are the keys on the sofa.no,they aren't.they're 说说你对青蛙的了解(短点)急急急急急急就 how do you prefer the goods to be dispatched,by rail or by s