试题与答案

已知得m2=2n+1,4n2=m+1(m≠2n) 求值:(1)m+2n; (2)

题型:解答题

题目:

已知得m2=2n+1,4n2=m+1(m≠2n)

求值:(1)m+2n; 

(2)4n3-mn+2n2

答案:

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