1.
x>=4
|x+3|+|x-4|=2x-1>9
x>5
2.
x9
x
猜你喜欢
- 1若2x³+x²+kx-2能被2x+½整除,求k的值
- 2愁是一种很难描摹的抽象感情,但在很多诗人的笔下.化抽象为具体.写的形象而感人.请写出这样的两组句子来.
- 3什么时候加ing,要双写末位字母加ing
- 4煤燃烧发生的化学反应
- 5There is a big s_____ on her face,which shows(表明)she's very happy
- 6have you got 是现在完成时么
- 7Miss the day which has
- 8从学校到少年宫这段公路上,一共有37根电线杆,原来每两根电线杆之间的相距50米,现在要改成两根之间相距60米,除两端两根不需要移?
- 9They made it in the classroom 和In the classroom ,they made it 一样吗
- 10一个塑料瓶装满水,在瓶壁上戳三个洞,打开瓶盖液体流出,盖上则不流.