【简答题】若3a-2不小于4a-7,那么实数a的取值范围是( );
【判断题】It’s known that there are uniform lesson plans so that a good lesson plan has to be long or extremely detailed because it is necessary and practical for teachers to remember and follow every detail in...
【判断题】It’s known that there are uniform lesson plans so that a good lesson plan has to be long or extremely detailed because it is necessary and practical for teachers to remember and follow every detail in...
【单选题】若a-2小于2a+3,那么实数a的取值范围是()
【单选题】若3a-2不小于4a-7,那么实数a的取值范围是( )
【简答题】若关于x的方程x 2 +2(a+1)x+2a+1=0有且仅有一个小于1的正数根,那么实数a的取值范围是______.
【简答题】若 小于 ,那么实数a的取值范围是( );
【单选题】中国共产党确定毛泽东思想为党的指导思想的会议是( )。