计算 :(-0.5a^3b^2)(-4a^n+1 b^n c) 急

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计算:(-0.5a^3b^2)(-4a^n+1b^nc)急计算:(-0.5a^3b^2)(-4a^n+1b^nc)急 计算:(-0.5a^3b^2)(-4a^n+1b^nc)急(-0.5a^

计算 :(-0.5a^3b^2)(-4a^n+1 b^n c) 急
计算 :(-0.5a^3b^2)(-4a^n+1 b^n c) 急
 

计算 :(-0.5a^3b^2)(-4a^n+1 b^n c) 急
(-0.5a^3b^2)(-4a^n+1 b^n c)
=2a的n+4次方b的n+2次方c