化简log2 1/2+log2 2/3+log2 3/4+.+log2 31/32

化简log2 1/2+log2 2/3+log2 3/4+.+log2 31/32 |[log2(x)]^2-3log2(x)+1| log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1 计算：（1）log2 (4^3*8^5);(2)log2 3+log2 6-log2 9 [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 9)/(log2 8) = 2/3(log2 3) log2 3乘以log2 3等于2log2 log2^(4^7*2^5)+log2^6-log2^3 log2 SQR(7/48)+log2 12 -1/2log2 42 log2 SQR(7/48)+log2 12 -1/2log2 48 化简：(log2(x/4))*(log2(x/2)) 2^log2 (3) × log2 (1/8) + 2lg3 2^log2(3)×log2(1/8)+lg4+2lg5 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？ 求解log2(3x)=log2(2x+1) 不等式log2(2x+3)>log2(x+1)的解集是 (log2)2+log2*log50+1g25值 化简算式log2^√7/48+log2^12-1/2log2^42+1/2^log2^3