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已知映射 http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image043.gif.设点 http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image044.gifhttp://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image045.gif,点M 是线段AB上一动点, http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image046.gif.当点M在线段AB上从点A开始运动到点B结束时,点M的对应点 http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image047.gif所经过的路线长度为(   )

发布时间:2021-08-04

A.http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image048.gif

B.http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image049.gif

C.http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image050.gif

D.http://picflow.koolearn.com/upload/2010-10/09/d4b0d5dd-b75c-4296-b259-3ad6f565d14f/paper.files/image051.gif

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