a제곱 + b제곱 = (a+b)제곱-2ab, a제곱 + b제곱 = (a-b)제곱+2ab ,(a+b)제곱 = (a-b)제곱 +4ab ,(a-b)제곱 = (a-b)제곱 -4ab 입니다^^좋은하루되세요~
[무물보AI] 답변 로딩중...