A、0.429,0.571 B、0.5,0.5 C、0.571,0.5 D、0.6,0.4C

天天题库2019-12-17  6

问题

选项 A、0.429,0.571 B、0.5,0.5 C、0.571,0.5 D、0.6,0.4

答案C

解析[img]/upload/tiku/531/8325568_1.png[/img]
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