A. 88.90A; B. 87.69A C. 80.11A; D. 77.

tikufree2020-05-20  7

问题 A. 88.90A; B. 87.69A C. 80.11A; D. 77. 27

选项 A。

答案B

解析[img]/upload/tiku/140/339184_1.jpg[/img]
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