C語言實驗——一元二次方程Ⅰ

#include <stdio.h> #include <math.h> double zxd (int a, int b, int c); double dxz (int a, int b, int c); int main() { int a, b, c; double t; scanf("%d %d %d", &a, &b, &c); double x1 =

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