计算

#include <stdio.h>

float calculate_expectation(float num1, float num2) { return (num1 + num2) / 2; // 计算期望值的公式：(数1 + 数2) / 2 }

int main() { float num1, num2;

printf("请输入两个数：\n");
scanf("%f %f", &num1, &num2);

float expectation = calculate_expectation(num1, num2);

printf("期望值为：%f\n", expectation);

return 0;

}