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- 1put the following senntences in the right order
- 2He is free enough ------(play) with friend
- 3I____(go)rowing and fishing tomorrow.
- 4函数f(x)=x^2(x+a) ①若f'(2)=1,求a的值及曲线y=f(x)在x=2处的切线方程 ②当a=-1时f(x)在[-1,1]上的最小
- 5以石墨为电极电解酸化的硫酸锰制取二氧化锰
- 6四年级下册简便运算题和脱式计算题,一共要200道!
- 7在直角三角形ABC中,角C=90度,角A=30度,角A所对的直角边的长为根号3,求斜边和另一直角边的长,并写出三
- 8若分式(m+2)/(m-1)的值为整数,试求整数m的值
- 9我们不再吃快餐了.We () eat fast food () ().
- 10You should work hard_________(improve) your Maths.