using System;
public class Test
{
public static void Main()
{
Console.WriteLine(0.1 + 0.1 + 0.1);
Console.WriteLine((0.1 + 0.1 + 0.1) == 0.3);
Console.WriteLine((0.1 + (0.1 + 0.1)) == ((0.1 + 0.1) + 0.1));
}
}
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