She said when she got to the cinema, the film ________ for 5 minutes.
已知正实数m,若x10=a0+a1(m﹣x)+a2(m﹣x)2+…+a10(m﹣x)10,其中a8=180,则m值为( )
已知方程x22-k+y2k-1=1的图象是双曲线,那么k的取值范围是( )