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int sum = 0, i = 0;
while (i < 100)
{
i++;
if (i % 7 == 0)
{
continue;
}
sum = sum + i;
}
Console.WriteLine("和是"+sum);
Console.ReadKey();
int sum = 0, i = 0;
while (i < 100)
{
if (i % 7 == 0)
{
i++;
continue;
}
sum = sum + i;
i++;
}
Console.WriteLine("和是"+sum);
Console.ReadKey();
int result = Enumerable.Range(1, 100).Where(x => x % 7 != 0).Sum();
Console.WriteLine(result);