一份数学试卷有20道选择题,规定做对一题得5分,不做或做错扣1分,结果某学生得分为76分,你知道他做对了几道题吗?0m8p-e:J+Y2x
算式:提示4O(k)O0a'n4B'j,^/L-~'n+m0m8p-e:J+Y2x
所以,做对了(Y;B+E3O6h+T题。0m8p-e:J+Y2x