int main double a2，a3，a4，b2，b3，b4，c2，c3，c4int a1，b1，c1scanfquot%d，%lf，%lf，%lfquot，a1，a2，a3，a4scanfquot%d，%lf，%lf，%lfquot，b1，b2，b3，b4scanfquot%d，%lf，%l...