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在直角坐标系中横纵坐标为整数的点称为“格点”,如果函数 http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image059.gif的图像恰好通过 http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image060.gif个格点,则称函数 http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image059.gif为k阶格点函数,下列函数中“一阶格点”函数有 ① http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image061.gif                 ② http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image062.gifhttp://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image063.gif                     ④ http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image064.gif

发布时间:2021-08-04

A.②③

B.①③http://picflow.koolearn.com/upload/2010-09/16/3b749462-447e-4f5b-a869-7b84bcadad42/paper.files/image065.gif

C.①④

D.②④

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