解②得:x≥1.
,
则不等式组的解集是:x>3
—Must we leave the classroom now?
— No, you _____. You _____ leave after the bell rings.
一组数据2,4,5,5,6的众数是( )
2013年12月14日,“嫦娥三号”携带“玉兔”成功登月。“玉兔”月球车在无大气的月面上行走时,可能遇到的考验是( )
—That's why he can't improve himself.