合并同类项(1) 2a^2b-4ab^2+3b^2a -5a^2b (2)5X^2y-6x-7x^2y+8x

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合并同类项(1) 2a^2b-4ab^2+3b^2a -5a^2b (2)5X^2y-6x-7x^2y+8x
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合并同类项(1) 2a^2b-4ab^2+3b^2a -5a^2b (2)5X^2y-6x-7x^2y+8x
合并同类项(1) 2a^2b-4ab^2+3b^2a -5a^2b (2)5X^2y-6x-7x^2y+8x

合并同类项(1) 2a^2b-4ab^2+3b^2a -5a^2b (2)5X^2y-6x-7x^2y+8x