已知X,Y为实数,且满足(X+√(X2+2008))(Y+√(Y2+2008))=2008,求X2-3XY-4Y2-6X-6Y+2008的值是解答题,要有过程快,8点半之前,好的另有分
来源:学生作业帮助网 编辑:作业帮 时间:2024/12/01 14:45:53
xRJ@AZ!q0;fte->2ªTA|CmmJ%d&q_p&/Jp5sϙs0iзF2?^A5t,$VUU+88sA00(hiaʿo|\6Cg'hqF=Zz5JS{ m֦A(fLƯ
+=>y6T恈"3RvuK YAe3vB^ÎL#D,'HTd8SI~i8_.s%Gnib*._mFzˆ#h