函数y= -x2+4x -2在区间[1,4]上的最小值是. 发布时间:2017-04-30 15:35 │ 来源:www.tikuol.com 题型:填空题 问题: 函数y= -x2+4x -2在区间[1,4]上的最小值是 .
题型:填空题 It's _____ today. The radio says it won't stop raining until next week. [ ]A. fine B. wet C. windy D. cloudy 查看答案