41.2=10*LOG(A/1000) 求A值和具体计算步骤

41.2=10*LOG(A/1000) 求A值和具体计算步骤 可以说log a x +log a y=log a log(a)M+log(a)N=? 设a>b>1,log(a)b+log(b)a=10/3,则log(a)b-log(b)a= 已知a＜b＜1,log(a)b+log(b)a=10/3,求log(a)b-log(b)a的值括号为下标, a=log(1/2)^10 b=log(20)^10 1/a+1/b= log(a)(b)=log(c)(b) /log(c)(a) 怎么证log(a)(b)=log(c)(b) /log(c)(a)怎么证 证明a(log(m)n)=n(log(m)a) log₃a₁+log₃a₂= 公式：log(a)(b)*log(b)(a)=? log a (m^n)=(log a m)^n? 请问为什么1/log(a)k=log(k)a? x=log a 2 对数的运算问题-log a 1/x=-(log a 1-log a x)=log a x 求证 log(a)^(b)=1/log(b)^(a)求证 log(a)^(b)=1/log(b)^(a) 求证 log(a) (M·N)=log(a) M+log(a) N log(下标a)(M*N)是什么意思?= log(下标a)M+log(下标a)N log(a)(mn)=log(a)(m)+log(a)(n)为什么呀?