分成三角形

例句：

1. 1.The teacher divided the class into two groups for a test.
   老师将班级分成两个小组进行考试。
2. 2.They divided the workload evenly among the team members.
   他们平均分配了工作给团队成员。
3. 3. The cake was divided among the guests at the party.
   蛋糕被分给了派对上的客人。