log(2)25×log(3)4×log (5)9等于多少?
log(2)25×log(3)4×log (5)9等于多少?
(LOG(3,4)+LOG(3,8))(LOG(2,3)+LOG(2,9))等于几 看的懂吧
log(2)9乘log(3)4等于多少?2和3在log的右下角.
对数计算1.{log(4)(3)+ log(8) (3)} X {log(3)(2)+log(9)(2)}2.{log(
log(2)9log(3)4等于
用换底公式求log(2)25乘log(3)4乘log(5)9的值
log(2)(25)*log(3)(根号2)*log(5)(9)
2的[2+log(2)(3)]次方+3的[5-log(3)(9)]次方等于多少
利用对数的换底公式化简下列 1.log(a)c×log(c)a 2.log(2)3×log(3)4×log(4)5×lo
2的1-log(4)5次方+log(根号2)4+log(3)1/9的值?
[log(3)3^1/2]^2+log(0.25)1/4+9log5根号5-log(根号3)1=?
已知log(2)[log(3)(log(4) x)] = log(3) [log(4) (log(2) y)]=0,求x