不等号填空:若a<b<0,则﹣a5____ ﹣b5;1a____ 1b;2a﹣1____ 2b﹣1.
句型转换。
Tom is ________than his father. ( )
已知1-(3m-5)2有最大值,则方程5m-4=3x+2的解是x=( )