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x-2/x+2-24/x-4=1 x-26/x=3 x平方-3x-26=0 解方程,得 2分之(3加减根號113)
6^x+3方=36^x-2方 6^(x+3)=6^(2x-4) 所以 x+3=2x-4 x=7
X=16.36
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