整式化简(4n+2m+3m+5n)(m+2n)---------------------- 2
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整式化简(4n+2m+3m+5n)(m+2n)---------------------- 2
整式化简
(4n+2m+3m+5n)(m+2n)
----------------------
2
整式化简(4n+2m+3m+5n)(m+2n)---------------------- 2
那式子是(4n+2m+3m+5n)(m+2n)吗
(4n+2m+3m+5n)(m+2n)
=(9n+5m)(m+2n)
=9nm+18n^2+5m^2+10mn
=18n^2+19mn+5m^2
整式化简(4n+2m+3m+5n)(m+2n)---------------------- 2
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