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- 1设g(x)是定义在R上,以1为周期的函数,若f(x)=x+g(x)在[0,1]上的值域为[-2,5],则f(x)在区间[0,3]上的值域为( ) A.[-2,7] B.[-2,5] C.[0,8] D.[-3,7]
- 2包包上五金配件经常氧化的问题
- 3Ben often helps me with my study.
- 4每千克小麦可磨面粉五分之四千克,二分之三吨小麦可磨面粉多少千克?快
- 5There are 45 ()in our school.A.men teachers B.man teacher
- 6Don't put the chair too _____to the stove.Dry wood____fire easily,you know
- 7已知m是方程X^-X +2=0的一个根,则代数式m^+m的值等于
- 8已知关于x的方程2(x-2)+a=b(x-1)是一元一次方程,求b的值
- 9talk not
- 10组成比例的四个数都不能是0,这句话对吗?急,大哥大姐救救我吧