(2m+1)(4m^2+1)(2m-1)用平方差

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(2m+1)(4m^2+1)(2m-1)用平方差(2m+1)(4m^2+1)(2m-1)用平方差(2m+1)(4m^2+1)(2m-1)用平方差原式=(4m²-1)(4m²+1)=

(2m+1)(4m^2+1)(2m-1)用平方差
(2m+1)(4m^2+1)(2m-1)用平方差

(2m+1)(4m^2+1)(2m-1)用平方差
原式=(4m²-1)(4m²+1)=16m∧4-1