猜你喜欢
- 1如果关于x的方程ax+12=0的解是3则不等式(a+2)x>-8的解是x?
- 2there is gotta be something wrong with him为什么用 there is ,而不是 he has
- 3设函数f(x)=xsinx1/x,x>0 a+x^2,x
- 4求不规则动词(所有)过去式的汉语和音标,
- 513,5,12,4,经过怎样的运算才能得到24?
- 6若月球表面的重力加速度是地球表面
- 7i am sorry to hear that和i am sorry to learn that 和i am sorry to know that
- 8已知正四棱柱ABCD—A1B1C1D1中,AA1=2AB,设二面角A-A1B-D的大小为θ,则cosθ为?
- 9It's time to have a class.还是It's time to have class.
- 10"书是人类进步的阶梯"这句名言是谁写的?