已知㎡+m-1=0,求m대+2㎡-2012的值 急用!!

2025-05-09 09:02:01
推荐回答(1个)
回答1:

㎡+m-1=0
㎡+m=1

m³+2㎡-2012
=m(m²+m+m)-2012
=m(1+m)-2012
=m²+m-2012
=1-2012
=-2011

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