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- 1一个圆柱,底面半径等于高,这个圆柱的侧面积是100平方厘米,求这个圆柱的表面积.
- 2已知函数f(x)=2x,写出函数f(x)的反函数g(x)及定义域.
- 3甲、乙、丙三个数的平均数是84,甲、乙、丙三个数的比是3:4:5,甲、乙、丙三个数各是多少?
- 41立方米天然气发多少电
- 5普通1K的电阻,功率多大
- 6Mrs.Brown asked me to go to her daughter’s concert and I ___B___ her invitation with pleasure.
- 7形式主语it+be+adj+that.则么用?咋么翻译?
- 8the only thing __she could do was go to the police for help
- 9已知X=根号2+1,则log以4为底(X的3次方—X—6)的对数等于多少?
- 10明明体重的5分之1等于亮亮4分之1.如果明明体重是40千克,亮亮的体重是多少千克?