解方程:
用Gauss列主元消元法解线性方程组
-solution equation : Gauss out PCA elimination method for solving linear equations using Gauss out PCA elimination method for solving linear equations
2. C语言程序由什么组成?(单选) A. 子程序 B. 主程序和子程序 C. 函数 D. 过程 答案: C-2. C language programming from what is the composition (Option) A. Subroutine B. main program and subprogram C. D. process function answer : C