一份试卷上共有25道选择题,做对一道题得4分,错一道扣1分,某同学做了全部试题,他说得了85或86分,他到底得了多少分?
问题描述:
一份试卷上共有25道选择题,做对一道题得4分,错一道扣1分,某同学做了全部试题,他说得了85或86分,他到底得了多少分?
答
一份试卷上共有25道选择题,做对一道题得4分,错一道扣1分,某同学做了全部试题,他说得了85或86分,他到底得了多少分?