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化简 (1):5x^4+3x^2-10-3x^2y+x^4-1
(2):p^2+3pq+6-8p^2+pq
人气:414 ℃ 时间:2020-06-21 04:22:57
解答
(1):5x^4+3x^2-10-3x^2y+x^4-1
=5x^4+x^4+3x^2-3x^2y-10-1
=6x^4+3x^2-3x^2y-11


(2):p^2+3pq+6-8p^2+pq
=p^2-8p^2+3pq+pq+6
=-7P^2+4pq+6
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