猜你喜欢
- 1已知数列an的前n项和为Sn=n²+n+1,则其通项公式an=?
- 2要一篇描写动物的作文400字左右
- 3they have got some(some画线部分) orange 对划线部分提问 she hasn't got an apple.(改为复数句)
- 4Here are some of my photos.这句话里Here后为什么跟的是are?
- 5thank you ______me with my english you are welcome A for help B to help C to helping D for helping
- 6一块密度为0.25*10³kg/m³的木块,在水中组多可承受几倍于本身的重力而不下沉 过程 谢谢
- 7in different times at different times有没有这两种表达呀?如何区分呢?
- 8谁有初二的英语阅读理解和完形填空试题
- 9如图,△ABC的3条中位线AD,BE,CF 如图,△ABC的三条中线AD,BE,CF相交于点G,并且AG/GD=BG/GE=CG/GF=2,
- 10椭圆x^2/25+y^2/16=1上一点P到一个焦点的距离=3,求它到相对应准线的距离