log2 5/4+log2 5

log2 5/4+log2 5 log2^(4^7*2^5)+log2^6-log2^3 log2 5/4+log2 5=多少, 计算：（1）log2 (4^3*8^5);(2)log2 3+log2 6-log2 9 log2 3/log2 5等于log2 3-log2 5么? [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 20---log2 5+log3 4 * log4 3 等于什么 4^1/2（log2^9-log2^5）的值 , log2(4^7*2^5) 4^log2^5怎么算 4^log2^5怎么算? lg(1/4)-lg2(5) 2log5(10)+log5(0.25) 2log2(25)-3log2(64) log2(log2(16) ) 根号下{[log2 （5)]^2-4log2(5)+4}+log2(1/5) 计算 根号下[(log2 5)^2-4log2 5+4]+log2 1/5 log2 5 x log2 5等于log2 25还是什么? 3^(log2 (5))-5^(log2(3)) log2 50-2log2 5 等于多少? log2(4)/log2(3)