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蛋黄派来的_

#1 Created at ... [Delete] [Delete and Lock User] 
Scanner scanner = new Scanner(System.in);System.out.print("上次考核成绩: ");int first = scanner.nextInt();System.out.print("本次考核成绩: ");int current = scanner.nextInt();float r = (float) (current - first) / first * 100;System.out.printf("%.2f%s\n", r, "%");

蛋黄派来的_

#2 Created at ... [Delete] [Delete and Lock User]

Scanner scanner = new Scanner(System.in);
System.out.print("上次考核成绩: ");
int first = scanner.nextInt();
System.out.print("本次考核成绩: ");
int current = scanner.nextInt();
float r = (float) (current - first) / first * 100;
System.out.printf("%.2f%s\n", r, "%");

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