参考代码:
import java.util.Scanner; public class Main { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); double a = scanner.nextDouble(); double b = scanner.nextDouble(); double c = scanner.nextDouble(); double res1 = (-b + Math.sqrt(b * b - 4 * a * c)) / 2; double res2 = (-b - Math.sqrt(b * b - 4 * a * c)) / 2; System.out.printf("%.2f %.2f", res1, res2); } }
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