log(2/3)81-log(2/3)16+log(2/3)20-log(2/3)30=?写下换算过程,
log(3)4*log(4)8*log(8)M =log(2)16 M是多少
计算log(2) 81/log(2) 3
化简log(2)3 * log(3)4 * log(4)7 *log(7)16
log(2)(25)*log(3)(根号2)*log(5)(9)
log(2)9×log(3)4
log(2)9log(3)4等于
4^log(4)[x^2]+3^log(9)[6x]=log(2)[16]
log(2)(25)×log(3)(1/16)×log(5)(1/9)=?
log a(2/3)
用换底公式简化[log(4)3+log(8)3][log(3)2+log(9)2]
(log(4)3+log(8)3)(log(3)2+log(9)2) 怎么个思路
(log(4)3+log(8)3)(log(3)2+log(9)8) 怎么个思路