某次竞赛中,共有20道题,比赛规则为:答对一题得分,答错一题倒扣3分,某同学作答的最后得分为60分,该同学答对15题。 ( )

作者: tihaiku 人气: - 评论: 0
问题 某次竞赛中,共有20道题,比赛规则为:答对一题得分,答错一题倒扣3分,某同学作答的最后得分为60分,该同学答对15题。 ( )
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解析 全部答对得分为100,每答错一道题,损失8分.则共答错(100-60)+8=5题,答对了15题。

相关内容:赛中,共有,道题,一题,得分,答错,同学

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