Mathematics
Senior High

こんばんは
オレンジ線の-2はどこからきたのか、教えて下さい(●´_ _)ペコ

(@め (0 *+*ゴ ニー(#+ャーー2=9一2 =7 ② キタフー(*エターリ"ーー2ニ49一2ニ47 ーーー

Answers

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