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(a+b)(a−b)=a^2−b^2
https://w3id.org/jp-cos/8350233121230000
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Lower Secondary School Curriculum Guideline 2017-03 Notification
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
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
Referred resources
Referred to as 'Child' from:
(イ) 簡単な一次式の乗法の計算及び次の公式を用いる簡単な式の展開や因数分解をすること。