这是计算二元一次方程根的程序.#include#includeint main(){\x05double a,b,c,disc,x1,x2,p,q;\x05printf("请输入三个常数\n");\x05scanf("%f%f%f",&a,&b,&c);\x05disc=b*b-4*a*c;\x05if(disc
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![这是计算二元一次方程根的程序.#include#includeint main(){\x05double a,b,c,disc,x1,x2,p,q;\x05printf(](/uploads/image/z/1599132-12-2.jpg?t=%E8%BF%99%E6%98%AF%E8%AE%A1%E7%AE%97%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%E6%A0%B9%E7%9A%84%E7%A8%8B%E5%BA%8F.%23include%23includeint+main%28%29%7B%5Cx05double+a%2Cb%2Cc%2Cdisc%2Cx1%2Cx2%2Cp%2Cq%3B%5Cx05printf%28%22%E8%AF%B7%E8%BE%93%E5%85%A5%E4%B8%89%E4%B8%AA%E5%B8%B8%E6%95%B0%5Cn%22%29%3B%5Cx05scanf%28%22%25f%25f%25f%22%2C%26a%2C%26b%2C%26c%29%3B%5Cx05disc%3Db%2Ab-4%2Aa%2Ac%3B%5Cx05if%28disc)
这是计算二元一次方程根的程序.#include#includeint main(){\x05double a,b,c,disc,x1,x2,p,q;\x05printf("请输入三个常数\n");\x05scanf("%f%f%f",&a,&b,&c);\x05disc=b*b-4*a*c;\x05if(disc
这是计算二元一次方程根的程序.
#include
#include
int main()
{
\x05double a,b,c,disc,x1,x2,p,q;
\x05printf("请输入三个常数\n");
\x05scanf("%f%f%f",&a,&b,&c);
\x05disc=b*b-4*a*c;
\x05if(disc
这是计算二元一次方程根的程序.#include#includeint main(){\x05double a,b,c,disc,x1,x2,p,q;\x05printf("请输入三个常数\n");\x05scanf("%f%f%f",&a,&b,&c);\x05disc=b*b-4*a*c;\x05if(disc
读取 double 类型 用 %lf
至少也需判断一下a是否为0呀