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View Compilation Error

0_0_26621204_13034\Main.java:9: 错误: 找不到符号
            a=sc.nextInt();
              ^
  符号:   变量 sc
  位置: 类 Main
0_0_26621204_13034\Main.java:10: 错误: 找不到符号
            b=sc.nextInt();
              ^
  符号:   变量 sc
  位置: 类 Main
2 个错误


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