作业帮化简:①(a-b)*(b-a)³= ②(-y)²*(-y)³*(-y)+2(y³)²=
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化简:①(a-b)*(b-a)³= ②(-y)²*(-y)³*(-y)+2(y³)²=
化简:①(a-b)*(b-a)³= ②(-y)²*(-y)³*(-y)+2(y³)²=
化简:①(a-b)*(b-a)³= ②(-y)²*(-y)³*(-y)+2(y³)²=
①(a-b)*(b-a)³
= -(b-a)^4
②(-y)²*(-y)³*(-y)+2(y³)²
=y^6+2y^6
=3y^6