log2 (x+3)=-2/3

log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1 求解log2(3x)=log2(2x+1) |[log2(x)]^2-3log2(x)+1| 解方程log2(x+14)-log2(x+6)=3-log2(x+2) [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(x)=-2/3,求x log2(4^x+4)=x+log2(2^x+1-3)log2(4^x+4)=x+log2[2^(x+1)-3] (log2 9)/(log2 8) = 2/3(log2 3) log2[(x-14)(x-2)]=3+log2(6-x).求x?. 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 (x+3)=-2/3 log2(x^2-3)=5 计算 log2(2^x-1)log2(2^(x+2)-4=3log2(2^x-1)log2(2^(x+2)-4）=3 log2(x+1)+log2(x+8)=3的解集是? 不等式log2(2x+3)>log2(x+1)的解集是 解方程log2(4^x+1)=x+log2(2^(x+3)-6) 解方程log2^(4^x+4)=x+log2^[2^(x+1)-3] 解方程：log2(4^x+4)=x+log2(2^(x+1)-3)