猜你喜欢
- 1在同一平面直角坐标系内,若直线y=3x-1与直线y=x-k的交点在第四象限,则k的取值范围是( ) A.k<13 B.13<k<1 C.k>1 D.k>1或k<13
- 2Jack is shorter than his father.怎么用英语解释句子?
- 3求石灰石中碳酸钙的质量分数
- 4将1,-1/2,1/3,-1/4,1/5,-1/6...按一定规律排列如下:
- 5在100米赛跑中,小明跑了14秒,小丽跑了18秒,他们平均每跑1米用多少秒?谁跑得快?要分数的答案,
- 6若n为质数,证明:2的n次方减一为质数
- 7I like being a teacher because I like working with children.(对划线部分提问)划线部分是because I
- 8虫字加一个合字念什么?
- 9what do you think of happiness ?
- 10x加二分之一括号的平方乘以x平方减二分之一x加四分之一括号的平方