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化简(-2m-6)²+(2-8m²)+4(16m^4+9)>0,
人气:376 ℃ 时间:2020-08-02 00:46:38
解答
(-2m-6)²+(2-8m²)+4(16m^4+9)>04m²+36+24m+2-8m²+4(16m^4+9)>04(16m^4-24m²+9)+92m²+24m+38>04(4m²-3)²+(81m²+18m+1)+(9m²+6m+1)+(m²-2m+1)+...
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