解方程: (1)x2-2x-1=0. (2)x2+2x-1=0. (3)x2+x-1=0. (4)x2+3x-1=0. (5)x(x+2)=1. (6)5(x-3)2=125. (7)x2+2=2x. (8)3(x2-5)=4x. (9)3x2+(x-2)=0. (10)(2x-1)(x+3)=4. (11)x2-3x-4=0. (12)x2-3x-18=0. |
根据n多题专家分析,试题“解方程:(1)x2-2x-1=0.(2)x2+2x-1=0.(3)x2+x-1=0.(4)x2+3x-1=0.(5)x(x+2)=1.(6)5(x-3)2=125.(7)x2+2=23x.(8)3(x2-5)=4x.(9)3x2+(x-2)=0.(10)(2x-1)(x+3)=4.(11)x2-3x-4=0.(12…”主要考查了你对 【一元二次方程的解法】 等知识点的理解和应用能力。关于这些知识点的“档案”,你可以点击相应的链接进行查看和学习。
与“解方程:(1)x2-2x-1=0.(2)x2+2x-1=0.(3)x2+x-1=0.(4)x2+3x-1=0.(5)x(x+2)=1.(6)5(x-3)2=125.(7)x2+2=23x.(8)3(x2-5)=4x.(9)3x2+(x-2)=0.(10)(2x-1)(x+3)=4.(11)x2-3x-4=0.(12”考查相似的试题有: