已知㎡+m-1=0,求m³+2㎡-2012的值 急用!
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已知㎡+m-1=0,求m³+2㎡-2012的值 急用!
已知㎡+m-1=0,求m³+2㎡-2012的值 急用!
已知㎡+m-1=0,求m³+2㎡-2012的值 急用!
㎡+m-1=0
㎡+m=1
m³+2㎡-2012
=m(m²+m+m)-2012
=m(1+m)-2012
=m²+m-2012
=1-2012
=-2011