A. -5 B. —10 C.5 D. 10

天天题库2019-12-17  7

问题 A. -5 B. —10 C.5 D. 10

选项

答案B

解析[img]/upload/tiku/37/2011897_1.jpg[/img][img]/upload/tiku/37/2011897_1_1.jpg[/img]
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