我把k1等于k2的特殊例子留给你们，作为课外作业。
And I left the special case of k1 equals k2 to do as a homework problem.
本课程以课外作业为主要特色，辅以课堂中的练习活动及各种教学资源。
This course features assignments, accompanied by in-class activities and various resources.
上说：“很多年轻人发现很难抵抗社交媒体的诱惑，它们已经侵入了课外作业、睡眠和体育活动。”
"Some young people find the lure of social media difficult to resist, which can interfere with homework, sleep and physical activity," O'Keeffe says in a news release.
同时，她还收集班级里分发的材料和课外作业，花大量的时间就“他们试图在课堂上实现什么”的问题和英语教师交谈。
She has also been collecting class handouts and assignments and has spent a lot of time chatting with the English teachers about what they are trying to accomplish in their classes.
同时，她还收集班级里分发的材料和课外作业，花大量的时间就“他们试图在课堂上实现什么”的问题和英语教师交谈。
She has also been collecting class handouts and assignments and has spent a lot of time chatting with the English teachers about what they are trying to accomplish in their classes.
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