2. 考公考编
  3. A. 2x+2y B. x+y C.2x-2y D.x-yB

A. 2x+2y B. x+y C.2x-2y D.x-yB

恬恬2020-05-20  7
问题
选项 A. 2x+2yB. x+yC.2x-2yD.x-y
答案B
解析[img]/upload/tiku/131/296708_1.jpg[/img][img]/upload/tiku/131/296708_1_1.jpg[/img]
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