猜你喜欢
- 1X1,X2是方程2X^2-3X-1=0的两个实数根,求X1^3+X2^3的值
- 2怎么求二次函数的值域和定义域
- 3Some of the professional athletes think that being famous will __ them happy.A:let B:make C:drive
- 4Dogs are our friends.They are often t() to do many things fo us.
- 5在乘积1×2×3×…×98×99×100中,末尾有_个零.
- 6化工企业常用的流量,压力,温度单位及换算.
- 7若方程x2+(2k-1)x+k2-1=0的两实数根的平方和等于9,则k=_.
- 8一个土字旁右边一个从念什么
- 9我的梦想作文开头应该怎么写?
- 10be concerned for/with/about分别什么意思