C语言二元一次方程,# include # include int main(void){//把三个系数保存到计算机中int a = 1:int b = 2:int c = 3:double detla:double x1:double x2:detla = b*b - 4*a*c:if (delta > 0){x1 = (-b + sqrt(delta)) / (2*a):x2 = (-b - sqrt(delta
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![C语言二元一次方程,# include # include int main(void){//把三个系数保存到计算机中int a = 1:int b = 2:int c = 3:double detla:double x1:double x2:detla = b*b - 4*a*c:if (delta > 0){x1 = (-b + sqrt(delta)) / (2*a):x2 = (-b - sqrt(delta](/uploads/image/z/3713188-4-8.jpg?t=C%E8%AF%AD%E8%A8%80%E4%BA%8C%E5%85%83%E4%B8%80%E6%AC%A1%E6%96%B9%E7%A8%8B%2C%23+include+%23+include+int+main%28void%29%7B%2F%2F%E6%8A%8A%E4%B8%89%E4%B8%AA%E7%B3%BB%E6%95%B0%E4%BF%9D%E5%AD%98%E5%88%B0%E8%AE%A1%E7%AE%97%E6%9C%BA%E4%B8%ADint+a+%3D+1%3Aint+b+%3D+2%3Aint+c+%3D+3%3Adouble+detla%3Adouble+x1%3Adouble+x2%3Adetla+%3D+b%2Ab+-+4%2Aa%2Ac%3Aif+%28delta+%3E+0%29%7Bx1+%3D+%28-b+%2B+sqrt%28delta%29%29+%2F+%282%2Aa%29%3Ax2+%3D+%28-b+-+sqrt%28delta)
C语言二元一次方程,# include # include int main(void){//把三个系数保存到计算机中int a = 1:int b = 2:int c = 3:double detla:double x1:double x2:detla = b*b - 4*a*c:if (delta > 0){x1 = (-b + sqrt(delta)) / (2*a):x2 = (-b - sqrt(delta
C语言二元一次方程,
# include
# include
int main(void)
{
//把三个系数保存到计算机中
int a = 1:
int b = 2:
int c = 3:
double detla:
double x1:
double x2:
detla = b*b - 4*a*c:
if (delta > 0)
{
x1 = (-b + sqrt(delta)) / (2*a):
x2 = (-b - sqrt(delta)) / (2*a);//这个是引号
printf("该一元二次方程有两个解,xi = %f,x2 = %f\n",x1,x2):
}
else if (delta == 0)
{
x1 = (-b) / (2*a):
x2 = x1;//这个是引号
printf("该一元二次方程有两个相同解,x1 = x2 = %f\n",x1,x2):
}
else
{
printf("无解\n"):
}
return 0:
}
C语言二元一次方程,# include # include int main(void){//把三个系数保存到计算机中int a = 1:int b = 2:int c = 3:double detla:double x1:double x2:detla = b*b - 4*a*c:if (delta > 0){x1 = (-b + sqrt(delta)) / (2*a):x2 = (-b - sqrt(delta
C语言结尾是分号啊; 你打个冒号
中间你把detla打成delta
最后 是一元二次方程