lg8*log2(5)*log5(4)得多少?
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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