已知:A(x)=17-28x6+52x21-82x65+47x72-93x120+47x280B(x)=34+65x8-75x35+27x53-79x75-66x125+24x430C(x)=78-77x6-29x8-312x21-430x65+153x72-542x120-373x280-737x710采用链式存储结构计算:D(x)=A(x)*B(x)+C(x)