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0018 利用库函数sqrt开方
阅读量:317 次
发布时间:2019-03-03

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利用库函数sqrt开方

名称: 0018 利用库函数sqrt开方

作者: 丁进
时间: 2021.2.17

要求: 输入3个double实数,求出它们的和/平均值/平方和/平方和的开方,并输出。

代码示例:

#include 
#include
int main(){ double x, y, z, sum, average, square_sum, sqrt_sum; scanf_s("%lf %lf %lf", &x, &y, &z); sum = x + y + z; average = sum / 3; square_sum = x*x + y*y + z*z; sqrt_sum = sqrt(square_sum); printf("三数和 = %.2f\n平均值 = %.2f\n平方和 = %.2f\n平方和开方 = %.2f\n", sum, average, square_sum, sqrt_sum); }

输出结果:

10 20 30  三数和 = 60.00  平均值 = 20.00  平方和 = 1400.00  平方和开方 = 37.42

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