已知函数f(x)=|x|﹣x+1,则不等式f(1﹣x2)>f(1﹣2x)的解集为____
What does the man want to buy?
I still see her _____________ after our graduation from college.
填一填。
67+129=
如图所示,长为8cm,宽为6cm的矩形中,截去一个矩形(图中阴影部分),如果剩下矩形与原矩形相似,那么剩下矩形的面积是( )