A car travels 36 miles in 1 hour and 30 minutes.What is its average speed?谢

分类: 作业答案 • 2022-01-14 19:31:12

问题描述：

答

36/1.5=24
the average speed is 24 miles per hour已知条件p:(x+1)^2>4,条件q:x>a且p是q的必要不充分条件，求a取值范围,求详细解答过程