三段论,对称轴与区域(-2,4)的三段讨论
对称轴b/(-2a)=-a
①-a在(-2,4)区域内 即-2
猜你喜欢
- 1天上的街市阅读理解速度速度
- 2三边应该满足什么条件可以构成一个三角形
- 3求一篇英语作文,My friend ,
- 4Do you know these people?
- 5They match season is coming.They need a lot of time______(practise)every day.
- 6彭翔外语:the speaker fumbled for the right word to answer the question.
- 7小明.小军,小兵三人共花了15.2元,小明与小军花8.7元,小军和小兵花了9.8元,三人各花了多少元?
- 8Don't say you is not't good I tell you .as long as I love you .in my heart
- 9They went to the beach last weekend.划线部分提问..划线部分是went to the beach
- 1040分之7化成小数是多少