1 已知一次函数y=(k-1)x+2k-3 k为何值时,图像与两坐标轴围成的三角形面积是25/62 设二次函数当x=3时,取最大值10,并且其图像在x轴上截得线段为4,求其解析式3二次函数y=2x^2-(m-1)x-2m+3中,已知当x>2
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