某校数学课外小组在坐标纸上为学校的一块空地设计植树方案如下:

某校数学课外小组在坐标纸上为学校的一块空地设计植树方案如下:第棵树种植在处,其中时,

表示非负实数的整数部分,如。按此方案第176颗树种植点的坐标为     ▲   

答案

 

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