负的2分之根号2
负的2分之根号3
猜你喜欢
- 1张先生和张太太在花园里散步.用英语怎么表达?
- 2正数列{an}和{bn}满足对任意自然数n,an,bn,an+1成等差数列,bn,an+1,bn+1成等比数列
- 3圆周率小数点后200位
- 4f(x)=x^2-2x-3,对称轴为1
- 5英语翻译
- 6They came here in autumn（同义句）They___ ____here_____ _____ The Greens went to Sanya in February
- 7根据首字母填空（英语）详见“补充说明”
- 8Did you give your teacher a hard time?If you____(do /did),what did you do?
- 9雨醉江南时的下一句是什么
- 101:一位亲人 2:写与这位亲人有关的一件事 3:真实感受