老师在批改作业时发现了几个计算错误。

The teacher found several ___errors in the students' calculations.

她意识到自己的错误决定后，立即改变了计划。

After realizing her ___errors, she immediately changed her plans.

这份报告中有一些数据错误需要修正。

There are some data ___errors in this report that need to be corrected.