有谁知道这两道题的解法(过程)①已知X²+X-1=0,则X³+2X²+2005=②关于X,Y的方程组{3X+2Y=A+1 4X+3Y=A-1 的 解满足X >Y,则A的 取值范围是
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 20:21:14
![有谁知道这两道题的解法(过程)①已知X²+X-1=0,则X³+2X²+2005=②关于X,Y的方程组{3X+2Y=A+1 4X+3Y=A-1 的 解满足X >Y,则A的 取值范围是](/uploads/image/z/14282344-64-4.jpg?t=%E6%9C%89%E8%B0%81%E7%9F%A5%E9%81%93%E8%BF%99%E4%B8%A4%E9%81%93%E9%A2%98%E7%9A%84%E8%A7%A3%E6%B3%95%EF%BC%88%E8%BF%87%E7%A8%8B%EF%BC%89%E2%91%A0%E5%B7%B2%E7%9F%A5X%26sup2%3B%2BX-1%3D0%2C%E5%88%99X%26sup3%3B%2B2X%26sup2%3B%2B2005%3D%E2%91%A1%E5%85%B3%E4%BA%8EX%2CY%E7%9A%84%E6%96%B9%E7%A8%8B%E7%BB%84%EF%BD%9B3X%2B2Y%3DA%2B1+++++++++++++++++++4X%2B3Y%3DA-1+%E7%9A%84+%E8%A7%A3%E6%BB%A1%E8%B6%B3X+%EF%BC%9EY%2C%E5%88%99A%E7%9A%84+%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4%E6%98%AF)
xUN@*8Hg~@U2HI!Bi 3Z{g9d.yޛ {z^m5Vv~ʚj}L#4e}0 2$O+\9u3NxݥM04ҕ?&2 unͿ2)oK8+ﰼ-w[ͻ˦/iP6\,JkdIN{-fdlѸaXVDGT{ggNgi}
Mo2;jmvˊ A.)qHeU6E&e8a@ ae(NPjt
XSl.656)=: :b+ŃăyuN|߈8R< D:@&>$\044Jiude[s[+!FT
q&'@0
5V_Z; `\iChge 00pEd
9ETzO|}hQA%