输入三位数：输出个位十位百位的数字

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System.out.println("请输入一个三位数！："); int sanWei = input.nextInt(); int a = sanWei%10 ; int b = (sanWei%100-a)/10 ; int c = sanWei/100; System.out.println("个位："+a); System.out.println("十位："+b); System.out.println("百位："+c);