本通报曾先后接到薛明同志对1954年9月人民教育出版社出版“初中几何課堂教学計划(譯本)”書中第51課的一个題,以及刘进修同志对該書第63課一个题的补充意見.由于这兩题是教科書中同一阶段的問題,因此我們便把它併在一起發表,以供讀者尤其是教师同志們在讲这一阶段时参考. This circular has received a question from Comrade Xue Ming on the 51st lesson in the book “The Junior Middle School Geometry Class Teaching Plan (Translation)” published by the People’s Education Press in September 1954, and Comrade Liu Jinxiu’s question on the 63rd lesson of the book. The supplementary comments. Since these two questions are problems in the textbook at the same stage, we will put it together and publish it for the readers, especially the teachers and comrades, to refer to this stage.