lg8*log2(5)*log5(4)得多少?

lg8*log2(5)*log5(4)得多少? 计算：（lg2)2+3lg5+lg5(1+lg2)+lg8+log2（5）log5（4) (Log2)的三次方+(Log5)的三次方+lg8*lg5 log2 5乘log5 4等于多少 lg(1/4)-lg2(5) 2log5(10)+log5(0.25) 2log2(25)-3log2(64) log2(log2(16) ) log2(5)*log5(8)化简 对数的运算化简：1 lg5方+(2/3)lg8+lg5lg20+(lg2）方 2 (log2 5+log4 0.2)(log5 2+log25 0.5) log2 5*log5 81*log3 4+ln根号e （log5/log2+log0.2/log0.5)(log2/log0.2+log0.5/log5) 怎麼算 计算机等於-4 log2^5乘以log5^2等于多少? 比较大小log2 5和log5 8 计算：log2(8)×log4(5)×log5(16) log2(5) ×log5(8)=3步骤 (log3^4+log5^2)(log2^9+log2^根号3) (log5(10))^3-(log5(2))^3-3log5(10)*log2(5) 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 [log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2)][log2 (125) +log4(25)+log8(5)][log125(8)+log25(4)+log5(2) 求下列各式的值 1）log2 6+log2 3 2)lg5+lg2 3)log5 3+log5 三分之一 4）log3 5-log3 15