计算log5(4)*log8(5)
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计算log5(4)*log8(5)
计算:log5乘log8乘log9分之116 3 5
[log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)][log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)
高中数学对数计算求值(log2 125+log4 25+log8 5)*(log125 8+log25 4+log5 2)要用简便运算啊.
化简log3(4)*log4(5)*log5(8)*log8(9)的结果是?
[log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)
(Log2 125+log4 25+log8 5)(log5 2+log25 4+log125
log5·log5(3)·log5(1/3)log3(5)·log5(3)·log5(1/3)log3(2)·log5(3)·log8(5)不好意思
若log3^5 log5^7 log7^x=log4^2 log6^4 log8^6,求x=?
1.loga c*logc a2.log2 3*log3 4*log4 5*log5 23.(log4 3+log8 3)(log3 2+log9 2)还有 5的多少次方等于1.这么计算?
(log以2为底125的对数+log以4为底25+log8 5 )(log5 2 +log25 4+log125 8 后面一样的格式.
log5∧4×log8∧5 等于lg4╱lg8为什么不可以直接除等于1╱2?还要换成2lg2╱3lg2为什么?
1.log5的4次方*log8的5次方 2.lg35等于多少 3.化简log2的3次方*log27的125次方
关于对数运算(lg5)^2+lg2·lg50=?(log2 125+log4 25+log8 5)·(log125 8+log25 4+log5 2)=?
(log4 3+log8 3)(log3 5+log9 5)(log5 2+log25 2)=
若log8(3)=a,log3(5)=b,试用a,b表示log5表示lg5
已知log8 9=m,log3 5=n,求log5 12
log7(1/8) * (log8 (25)+log2 (5))* log5 (49) 怎么求