当然,前面一个是抛物线
后面一个是两条线
猜你喜欢
- 1用关联词将下面2句话连成1句
- 2Sorry ,I 'm late .Because the street is ____ A:difficult B:rainy C:crowd D:crowded
- 3The boy doesn't have breakfast and then goes to school every day改为同义句
- 4以知X的平方+2X-1=2,则2X的平方+4X-6=?
- 5个股K线走势图上MACD的两条线一条黄线,一条白线,
- 6“我想说其实我英文一点都不好!”
- 7蔗糖水解速率常数与哪些因素有关
- 8用积分计算圆的面积,圆的方程是x^2+y^2=1,因为园是关于y轴,x轴对称,因此只要算出它的四分之一就行了,圆的面积是∫1dxdy,解式子是
- 9a＋b＋c ＝4 ,ab＋bc＋ac＝4 ,求a^2b^2c^2=?
- 10This pair of glases is very cool.Could i try( )on?yes A them;of course B it;of course