[[大問１対策 頻出形式 ダイレクト問題リンク集]]
https://youtu.be/qerRzYzbwRI （この動画の戦略で集めました）
(1)計算問題
(2)式の値
(3)因数分解
(4)一次関数の変域と求式
https://math.005net.com/2/heniki3.php
https://www.mathtext.info/blog/2020/07/28/chu2iti3/
https://www.mathtext.info/blog/2020/07/29/chu2iti5/
https://www.mathtext.info/blog/2020/07/29/chu2iti6/
https://www.mathtext.info/blog/2020/07/29/chu2iti7/
(5)二次方程式 簡単文章題
http://www.fdtext.com/dan/fdn_s3_03_houtei.pdf
(6)二次方程式
https://math.005net.com/3/2jiho3.php
https://www.mathtext.info/blog/2020/07/11/chu3niji4/
https://www.mathtext.info/blog/2020/07/11/chu3niji6/
(7)二次方程式(変化の割合)
https://math.005net.com/3/2jikan_heniki4-1.php?ruidai=roku
https://math.005net.com/3/2jikan4.php?ruidai=ici
(8)反比例(変域 変化の割合)
https://math.005net.com/1/hanpi1.php
(9)y=ax^2の変化の割合
(10)y=ax^2のyの変域
(11)y=ax^2のaの求解
http://www.fdtext.com/dan/fdn_s3_04_kansuu1.pdf
(12)確率
https://math.005net.com/2/kakuritu3.php
https://www.mathtext.info/blog/2020/08/09/chu2kakuri1/
https://www.mathtext.info/blog/2020/08/09/chu2kakuri2/ https://www.mathtext.info/blog/2020/09/08/chu2kakuri17/
https://www.mathtext.info/blog/2020/08/10/chu2kakuri11/
https://www.mathtext.info/blog/2020/08/10/chu2kakuri13/
https://www.mathtext.info/blog/2020/02/28/2020-chiba-kakuritu/
http://www.fdtext.com/dan/fdn_s2_06_kakuritu.pdf
(13)資料の活用
https://math.005net.com/1/dosubunpu.php
http://www.fdtext.com/dat/suub1_6siryou_seiri.pdf
(14)線分,面積比
https://math.005net.com/2/mensekihi.php
https://math.005net.com/2/mensekihi_2.php
https://www.mathtext.info/hi/mensekihi1.pdf (答)https://www.mathtext.info/hi/k/mensekihi1k.pdf
https://www.mathtext.info/hi/hi1.pdf (答) https://www.mathtext.info/hi/k/1.pdf
https://www.mathtext.info/hi/hi2.pdf (答) https://www.mathtext.info/hi/k/2.pdf
https://www.mathtext.info/hi/hi13.pdf (答) https://www.mathtext.info/hi/k/13.pdf
https://www.mathtext.info/blog/2020/03/01/tikz-2020gunma-heikosihenkei/
https://www.mathtext.info/blog/2019/01/06/h30kisogakuzukei16/
(15)体積と面積の求積
https://math.005net.com/1/taiseki4.php
https://math.005net.com/1/taiseki3.php
https://math.005net.com/1/kukan_htn.php