1.若xlog2 3=1 ,求9^x+9^-x 的值; 2.已知(0.5^1.5)^m<(1.5^0.5)^m,求实数m的取值范围.
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![1.若xlog2 3=1 ,求9^x+9^-x 的值; 2.已知(0.5^1.5)^m<(1.5^0.5)^m,求实数m的取值范围.](/uploads/image/z/12893018-50-8.jpg?t=1.%E8%8B%A5xlog2+3%3D1+%2C%E6%B1%829%5Ex%2B9%5E-x+%E7%9A%84%E5%80%BC%EF%BC%9B+2.%E5%B7%B2%E7%9F%A5%280.5%5E1.5%29%5Em%EF%BC%9C%281.5%5E0.5%29%5Em%2C%E6%B1%82%E5%AE%9E%E6%95%B0m%E7%9A%84%E5%8F%96%E5%80%BC%E8%8C%83%E5%9B%B4.)
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