Mechanical Engineer
Marketing Supervisor
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- 1来自寓言故事的成语 来自神话故事的成语 来自历史故事的成语
- 2一个操场长150m,宽120m,把它画在比例尺是1/6000的图上,长和宽各应画多少
- 3函数f(x)=ex(sinx+cosx)在区间[0,π2]上的值域为_.
- 4People in cities don't have many chances to da outdoor activities.
- 5he likes listening to music w___he is eating
- 6Where will they take the birds to?有没有语法错误?
- 7Tell him to come to my office.为什么不是come into?
- 8子弹重0.2克,速度为95/秒,求动能!
- 9在rt△abc中 ∠C= 90°,BC:AC=3:4,求∠A的四个三角形画函数值
- 10已知 根号(k²-2k+1)=0,则关于x的一元二次方程x²-kx-6=0的较大的一个根为()