若5x5m+2n+2y3与-3x6y3m-2n-1的和是单项式,则(-32m-n)2012=______.-数学

题目简介

若5x5m+2n+2y3与-3x6y3m-2n-1的和是单项式,则(-32m-n)2012=______.-数学

题目详情

若5x5m+2n+2y3与-3x6y3m-2n-1的和是单项式,则(-
3
2
m-n)2012
=______.
题型:填空题难度:中档来源:不详

答案

∵5x5m+2n+2y3与-3x6y3m-2n-1的和是单项式,
5m+2n+2=6
3m-2n-1=3

解得:
m=1
n=-class="stub"1
2

(-class="stub"3
2
m-n)2012
=(-class="stub"3
2
×1+class="stub"1
2
)2012=1;
故答案为:1.

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