化简(急!化简下列各式:(1)5x^4+3x^2y-10-3x^2y+4x-1(2)p^2+3pq+6-8p^2+pq(
2个回答
(1)5x^4+4x-11
(2)4pq-9p^2+6
(3)-y+2z
(4)-a^5+3b+7
(5)-11a^2+6b
(6)-2x^2+7xy-24
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