Write it on the blackboard/in your exercise book/workbook/ a piece of paper .

把它写在黑板上/你们的练习本上/活动用书/一张纸上。

youdao

We are printing business agency for overseas customers, including book, periodical, manual, calendar, leaflet, exam paper, exercise book, etc.

代理海外客商的各类印刷业务，如：图书、期刊、工作手册、挂历、公司介绍、考卷、练习册等。

youdao

My own letter was written on a single side of paper taken from a school exercise book.

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