log2 5 +log2 5=?（紧急,火速回答啊）

log2 5 +log2 5=?（紧急,火速回答啊） log2 5/4+log2 5=多少, log2^5+3= log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5) log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5) log2 3/log2 5等于log2 3-log2 5么? log2 5/4+log2 5 [log2 1]+[log2 2]+[log2 3]+[log2 4]+[log2 5]+...+[log2 1024]=?[x]表示不超过x的最大整数2为底 答案是8204 log2的5次方+log2的1/10次方=? 解2log2^(x-5)=log2^(x-1)+1 求值：log2 (5/56)^(1/2)+log2 (14)-(1/2)log2 (35)=log2中2为底数=1/2[-2log2 (7)-3]+log2 (2)+log2 (7) 中的1/2[-2log2 (7)-3]是怎么得到的？ LOG2^3=A,LOG2^5=b,则log2^9/5值是多少 log2 5 x log2 5等于log2 25还是什么? log2^(4^7*2^5)+log2^6-log2^3 3^(log2 (5))-5^(log2(3)) log2 50-2log2 5 等于多少? log2 (log2 16)=? 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