(2m-3n)^2-2m+3n
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(2m-3n)^2-2m+3n(2m-3n)^2-2m+3n(2m-3n)^2-2m+3n(2m-3n)^2-2m+3n=(2m-3n)^2-(2m-3n)=(2m-3n)(2m-3n-1)祝学习愉快
(2m-3n)^2-2m+3n
(2m-3n)^2-2m+3n
(2m-3n)^2-2m+3n
(2m-3n)^2-2m+3n=(2m-3n)^2-(2m-3n)=(2m-3n)(2m-3n-1)
祝学习愉快!
(2m-3n)^2-2m+3n
=(2m-3n)^2-(2m-3n)
=(2m-3n-1)(2m-3n)
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