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This question required to achieve a simple calculation of the two polynomials, the experimental requirements to complete a polynomial and multivariate polynomial arithmetic, calculation results can output. For the polynomial, which consists of coefficients, the unknown element and the index composition, given that i ncludes more properties, so the list is a very good choice. There are two key questions: First, identify the polynomial coefficients and each of the index Second, the results can be a good merger of similar items. Problem-solving approach: linked list, index polynomial coefficients identification, addition, subtraction and other arithmetic were simulated written calculation process. Increase the index of multiple polynomial array method and a dollar similar.