计算:(1-16a^4)/(4a^2+1)/(2a+1)

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计算:(1-16a^4)/(4a^2+1)/(2a+1)计算:(1-16a^4)/(4a^2+1)/(2a+1)计算:(1-16a^4)/(4a^2+1)/(2a+1)原题=(1-(2a)^4)/(4

计算:(1-16a^4)/(4a^2+1)/(2a+1)
计算:(1-16a^4)/(4a^2+1)/(2a+1)

计算:(1-16a^4)/(4a^2+1)/(2a+1)
原题=(1-(2a)^4)/(4a^2+1)(2a+1) =(1-2a)(1+2a)(a+4a^2)/(4a^2+1)(2a+1) =1-2a