某次竞赛中,共有20道题,比赛规则为:答对一题得5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。(?)
正确答案及解析
正确答案
正确
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。
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