（2n-1）边形的正多边形是轴对称图形.对称轴有 .2n边形的正多边形及时 .又是 .

你能帮帮他们吗

• 英语翻译people who want to be friends have to learn to put up wi

  1年前

• 写出一个满足下列条件的一元一次方程 (1) 某个未知数的系数是2分之1,(2) 方程的解是5

  1年前

• 有实数x,y,z；已知x+y+z=2,xyz=4；求Z的取值区间

  1年前

• Frank felt _____ as he was the only person who wore sportswe

  1年前

• Poeple( )( )the world would like to visit the Great Wall.

  1年前

精彩回答

• 让老鼠走迷宫，它边走边嗅，最终到达储藏室找食物，以后让它再进入迷宫，它就能很快地找到食物，这说明它 [ ]

  1年前

• 甫，字子美，京兆①人。少贫不自振②，李邕奇其材，亲往见之。举进士不中第，困于长安。

  1年前

• Sometimes I watch TV. Sometimes I read magazines. (用or把两句连成一句)

  1年前

• My life, as it really is, is always filled with sadness and little joy. However, no matter what happens, I can always face it _______.

  1年前

• As the income is increasing,the________of family life has been changing over recent years. [ ]

  1年前