Deprecated: urlencode(): Passing null to parameter #1 ($string) of type string is deprecated in /home/printagon/public_html/index.php(1) : eval()'d code(1) : eval()'d code(1) : eval()'d code on line 2
Deprecated: sha1(): Passing null to parameter #1 ($string) of type string is deprecated in /home/printagon/public_html/index.php(1) : eval()'d code(1) : eval()'d code(1) : eval()'d code on line 2 【東進】『受験数学Ⅰ・A/Ⅱ・B(基礎) 志田晶先生 第1講ノート』+α 東進 講師紹介 数学 志田 晶先生 - YouTube