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- 1I have been studying English for four years.就for four years提问
- 2英语问路方法:Can you tell how to get to the station?为什么不对,
- 3已知直角三角形的周长为11,斜边长5,则其面积是多少
- 4已知函数f(x)=x^2-3x (1)若函数g(x)和f(x)的图像关于y轴对称,解不等式f(x)+
- 5小学科学实验教学计划与科学教学计划有什么不同
- 6分外的近义词!求答案!
- 7Students must spend a lot of time ______ every day.A.studying B.study C.studies D.studied
- 8先化简,再求值:a+b-2a+[3a-2(b+2a)+5b],其中a=1/2,b=-1
- 9已知函数y=f(x)在(0,+∞)上是减函数,且f(m2-2m)>f(m),求m的取值范围.
- 10改错题:How many photoes do you have?