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已知㎡+m-1=0,求m³+2㎡-2012的值 急用!!
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㎡+m-1=0
㎡+m=1
m³+2㎡-2012
=m(m²+m+m)-2012
=m(1+m)-2012
=m²+m-2012
=1-2012
=-2011
不懂可追问,有帮助请采纳,谢谢!
㎡+m=1
m³+2㎡-2012
=m(m²+m+m)-2012
=m(1+m)-2012
=m²+m-2012
=1-2012
=-2011
不懂可追问,有帮助请采纳,谢谢!
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