Bad input!Please check agin.

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以下题目输入有误或有空行，请仔细检查，改正后再计算：
1==>错误类型：语法错误(19): 63923.86160908709+-13.68653722416203*x+0.0008758973559313926*x*x+-1.477335531005408e-008*x*x*x
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