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怎么不行 ?

for (int y = 1; y <= 7; y++)            {                for (int x = 1; x <= y; x++)                {                    Console.Write(x);                }                Console.WriteLine();//换行            } 不行  哪里错了 还是服务器问题?

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11行varmychar=document.getElementById(“con”)

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你试着刷新一下页面,或者关闭页面在重新打开,重新输入一下。有时比较卡

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