Mathematics
Senior High

なぜ、こうなのるか
途中式が分かりません。
宜しくお願いします😭

また。 K00 Nnie 9+3V3 3V2 +2V3 + (3+V3) 3-V6+V3 r= JAA 2 al FO円 (2 (2 P.167 LD PLASTIC ERASER MONO 答

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