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գҪıйص䡣
 100^0.5101^0.51000^0.5ֵ(2λС)ɵsqrtƽ
ʾ˵

sum = 20435.99



#include <stdio.h>
#include <math.h>
int main(void)
{
    int i;
    double sum;

/*---------*/
    printf("sum = %.2f\n", sum);
}
