(a+b)(a−b)=a^2−b^2

https://w3id.org/jp-cos/8350233121230000

Details

Course Of Study
Lower Secondary School Curriculum Guideline 2017-03 Notification
Course Of Study Revision
Lower Secondary School Curriculum Guideline 2017-03 Notification
Source
【83V11】Code for Lower Secondary School Course of Guideline published in 2017, version 1.1 (2021-03-18 release)
Item Number
Number
817
Source
【83V11】Code for Lower Secondary School Course of Guideline published in 2017, version 1.1 (2021-03-18 release)
Type
Line Number
Description of Course Of Study Item
(a+b)(a−b)=a^2−b^2
Code of Course of Study Item
8350233121230000
Issued Period
Published from 2017 to 2019
Type of School
Lower Secondary School
Subject Area
Mathematics
Category
目標及び内容(大項目)
Grade
3
Sub Category
内容
Edition of Course Of Study Item
一部改正なし
Fcode of Course of Study
A8A3A5A0A2A3A3A1A2A1A2A3A0A0A0A0
Hierarchical Section Numbers
第1章 / 第2章 / 第3節 / 第2 / 〔第3学年〕 / 2 / A / (2) / ア / (イ) / (a+b)(a-b)=a^2-b^2
Text
(a+b)(a-b)=a^2-b^2
Commentary Page
https://www.mext.go.jp/component/a_menu/education/micro_detail/__icsFiles/afieldfile/2019/03/18/1387018_004.pdf#page=141
Type
Course Of Study Item