\(已知:5^m = 45^n = 15,求解:\frac{1}{m}+\frac{1}{n}的值。\) 2025-06-302025-06-30 易林 \(已知:5^m = 45^n = 15,\) \(求解:\frac{1}{m}+\frac{1}{n}的值。\) 标准的幂运算,直接给结果:2.