作业帮(log2 5+log4 125)log3 2/ log根号3 5
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(log2 5+log4 125)log3 2/ log根号3 5
(log2 5+log4 125)log3 2/ log根号3 5
(log2 5+log4 125)log3 2/ log根号3 5
(log2 5+log4 125)log3 2/ log根号3 5
=(log2 5+log4 125)log3 2/ log3 25
=(log2 5+log4 125)log25 2
=(log2 5+log2 5根号5)log25 2
=log2 25根号5 *log25 2
=lg2/lg25根号5 *lg25 /lg2 (换底公式）
=log25 25根号5
=log 5² 5的5/2次方
=5/4
(log2 5+log4 125)log3 2/ log根号3 5
(log2(5）+log4（125））×log3（2）/log根号3（5）
(log2^5+log4^125)(log3^2)/(log(根号3)^5 要具体的过程,
(log2(5)+log4(125))(log3(2)/log√3(5))怎么解?
log (log2)^2 - (log4)(log20) + (log20)^2
log2(3)*log3(4)*log4(5)*.log(k+1)(k+2)=log2(k+2) 怎么证
log的计算 ：log2（20）-log4（25)= log3(2)×log2（5）×log5（3）=?log2[log2(32)-log2(3÷4）+log2log的计算 ：log2（20）-log4（25)= log3(2)×log2（5）×log5（3）=?log2【log2(32)-log2(3÷4）+log2（6）】=?lgx+lg（x+15）=2 ..X
log25^2/1*log4^5-log1/3^3-log2^4+5^log根号5^2要过程,答案为11分之4log25^2/1*log4^5-log1/3^3-log2^4+5^log根号5^2过程啊,
log2(x-2)=log4(5-x)
计算：log2(8)×log4(5)×log5(16)
log2 20---log2 5+log3 4 * log4 3 等于什么
log2(20)-log2(5)+2log3(2)×log4(3)
log4^27×log(8)25×log9^5
log4^27×log(8)25×log9^5
[log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)][log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)
[log3（4）+log根下3（2）][log2(9)+log4(根3)]
log的计算log2为底 20-log4为底 25
[log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)