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最佳答案：Function s(ByVal a As Integer,ByVal b As Integer) As IntegerDim i As IntegerFor
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最佳答案：int f(int n){if (n == 0 || n == 1)return n;elsereturn 2 * f(n - 1) + 3 * f(n - 2
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最佳答案：int fun(int n){double sum = 0.0;int k = 1;for(int i = 1; i
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最佳答案：void fangcheng(double a,double b,double c){double x1,x2;double delta=b^2-4*a*c;i
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最佳答案：#includelong int f(int n){if(n==0)return 0;else if(n==1)return 1;elsereturn f(n-
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最佳答案：第一题：#include#include#define STUDENT_NUM 2 //学生数量，修改成10即可#define COURSE_NUM 5 //课
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最佳答案：F(n) = (1/2)*((sqrt(5)+1)^(n+2)-(1-sqrt(5))^(n+2))/((sqrt(5)+1)^(n+1)-(1-sqrt(5)
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最佳答案：#include "iostream.h" //如果是C++ 就包含这个头文件，不是就删除此行#include "stdio.h" //如果是C就包含这个头文件
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最佳答案：# include# include# define N 20int main(void){double d,t,x,s=0;d=4.0/N;for(x=1;