[질문] 신사고출판사 쎈수학8-가 0394 ~0420

4\8a^4b^7\-y^11/27x^2\18x^4/y^2\3b^7/32a^8\6a^2b^2\a/50\-a^2b^2\x^3/2\b^2/8\4a^2b^2\x^3/2\b^2/8\5\4\27\5\2\5\24\3\5\2\3\5\5\2\2입니다.^^