@article{oai:kumadai.repo.nii.ac.jp:00030347,
 author = {谷川, 智幸 and 佐藤, 英樹},
 journal = {熊本大学教育学部紀要},
 month = {Dec},
 note = {In order to understand easily how to obtain the formula of circle area to be learned at elementary school, we implement the classes practice for a class high school with the quadrature by parts which does not learn so much in high school mathematics.},
 pages = {299--304},
 title = {高等学校数学から小学校算数へ向けての面積学習の応用},
 volume = {66},
 year = {2017}
}