12346²-12345*12347=
来源:学生作业帮助网 编辑:六六作业网 时间:2024/11/23 18:08:31
12346²-12345*12347=12346²-12345*12347=12346²-12345*12347=a^2-(a-1)(a+1)=a^2-(a^2-1)=1
12346²-12345*12347=
12346²-12345*12347=
12346²-12345*12347=
a^2-(a-1)(a+1)=a^2-(a^2-1)=1
1