admin百科知識 2022-02-13 2:59:18 已知xy²=-6,求-xy(x³y∧7-3x²y∧5-5y))已知xy²=-6,求-xy(x³y∧7-3x²y∧5-5y))如題網友廻答:匿名網友=-x^4y^8 3x^3y^6 5xy^2=-(xy²)^4 3(xy²)^3 5(xy²)=-1296-648-30=-1974 db標簽 生活常識_百科知識_各類知識大全»已知xy²=-6,求-xy(x³y∧7-3x²y∧5-5y))
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