84,80,71,55,( ) A.25 B.30 C.35 D.37

shuhaiku2019-12-17  2

问题 84,80,71,55,( ) A.25 B.30 C.35 D.37

选项

答案B

解析[img]/upload/tiku/283/2909227_1.jpg[/img]
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