(2分)一份考卷有3个问题,每个问题1分,班级中20%得3分,60%得2分,10%得1分,10%得0分,则平均得分为2.1.纠错得分: 0
(2分)一份考卷有3个问题,每个问题1分,班级中20%得3分,60%得2分,10%得1分,10%得0分,则平均得分为2.1.纠错得分: 0
发布时间:2025-07-21 16:10:04
(2分)一份考卷有3个问题,每个问题1分,班级中20%得3分,60%得2分,10%得1分,10%得0分,则平均得分为2.1.纠错得分: 0