初二代数!help~~~~~~~~~~~`因式分解m^2-n^2+n-1/4答案+过程~~~谢哈~~~

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初二代数!help~~~~~~~~~~~`因式分解m^2-n^2+n-1/4答案+过程~~~谢哈~~~初二代数!help~~~~~~~~~~~`因式分解m^2-n^2+n-1/4答案+过程~~~谢哈~

初二代数!help~~~~~~~~~~~`因式分解m^2-n^2+n-1/4答案+过程~~~谢哈~~~
初二代数!help~~~~~~~~~~~`
因式分解m^2-n^2+n-1/4
答案+过程~~~谢哈~~~

初二代数!help~~~~~~~~~~~`因式分解m^2-n^2+n-1/4答案+过程~~~谢哈~~~
m^2-n^2+n-1/4
=m^2-(n^2-n+1/4)
=m^2-(n-1/2)^2
=(m+n-1/2)(m-n+1/2)