因式化简m-n-mn+1

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因式化简m-n-mn+1因式化简m-n-mn+1因式化简m-n-mn+1m-n-mn+1=m-mn+1-n=m(1-n)+(1-n)=(1+m)(1-n)原式=m(1-n)-n+1=(1-n)(m+1

因式化简m-n-mn+1
因式化简m-n-mn+1

因式化简m-n-mn+1
m-n-mn+1
=m-mn+1-n
=m(1-n)+(1-n)
=(1+m)(1-n)

原式=m(1-n)-n+1
=(1-n)(m+1)

m-n-mn+1
=m-mn+1-n
=m(1-n)+1-n
=(1-n)(m+1)