log2(3-x)≤2
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log2(3-x)≤2log2(3-x)≤2log2(3-x)≤2log2(3-x)≤2则0≤3-x≤2²则-1≤x≤3
log2(3-x)≤2
log2(3-x)≤2
log2(3-x)≤2
log2(3-x)≤2
则0≤3-x≤2 ²
则-1≤x≤3
log2(3-x)≤2
若1/2≤log2底x≤3,求函数y=(log2底x-1).(log2底x-2)的值域
|[log2(x)]^2-3log2(x)+1|
log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1
已知x满足不等式2[log2(x)]^2-7[log2(x)]+3≤0,求函数f(x)=[log2(x/2)]*[log2(x/4)]的最大最小值.
已知满足不等式2log2(x)-7log2(x)+3≤0,求函数f(x)=[log2﹙x/2﹚][log2﹙x/4﹚]的最值.
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(2^x-1)log2(2^(x+2)-4=3log2(2^x-1)log2(2^(x+2)-4)=3
设f(log2 X)=2^x,则f(2log2 3)=
求解log2(3x)=log2(2x+1)
不等式log2(2x+3)>log2(x+1)的解集是
不等式log2(2x-3)
log2(x^2-3)>0
log2(3),log2(3^x-1),log2(3^x+37/3)成等差数列,求x
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
若-3≤log1/2x≤-1/2,求f(x)=(log2 x/2)*(log2 x/4)的最大值和最小值如题
计算:(1)log2 (4^3*8^5);(2)log2 3+log2 6-log2 9