2. 考公考编
  3. A.x+y=π B.x-y=π-4 C.x-y=π D.x+y=π-4B

A.x+y=π B.x-y=π-4 C.x-y=π D.x+y=π-4B

昕玥2020-05-20  14
问题
选项 A.x+y=πB.x-y=π-4C.x-y=πD.x+y=π-4
答案B
解析[img]/upload/tiku/131/602065_1.jpg[/img][img]/upload/tiku/131/602065_1_1.jpg[/img]
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