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import java.util.Scanner; public class Grade { public static void main(String[] args) { Scanner scanner = new Scanner(System.in); System.out.print("输入上一次的考试成绩:"); int lastGrade = scanner.nextInt(); System.out.print("输入此次考试成绩:"); int grade = scanner.nextInt(); float up = ((float)grade/(float)lastGrade)*100; if (up < 100.00) { System.out.printf("此次考试成绩较上一次下降了 %.2f %%~~",up); } else if (up == 100.00) { System.out.printf("两次成绩一样。"); } else { System.out.printf("此次考试成绩较上一次提升了 %.2f %%~~",up); } } }
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baiyao9527
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