I used to believe in the American Dream, which meant a job, a mortgage (按揭), credit cards, success. I wanted it and worked toward it like everyone else, all of us 36 chasing the same th
Once upon a time, there was a happy monkey in the forest, eating delicious fruit when hungry and resting when tired. One day he got up very early and came to a house, where he saw a bunch of the mo
上是增函数，在区间
上是减函数，则m的值为________。
是对称轴，即
，解得
。