已知x=log2(5)-log2(根号5),y=log5(3),z=5^-1/2.则下列关系正确的是?A z
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log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5)
log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5)
已知x=log2(5)-log2(根号5),y=log5(3),z=5^-1/2.则下列关系正确的是?A z
已知log2(x^2)=log2(根号2-1)-log2(根号2+1),求x+1/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
log根号2^(x-5)log2^(x-1)
已知log2^64 +log2^x =5 ,则x的值是?
[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
解不等式:|log2(x-1)|+log2(5-x)
解2log2^(x-5)=log2^(x-1)+1
log2 5 x log2 5等于log2 25还是什么?
写出Y=根号log2,x-根号log2,3的定义域写出 Y=根号(log2 x- log2 3) 的定义域
log2 (5-x)
log2 (5-x)
log2(5-x)
log2(5-x)
log2^(x^log2^x)=?
已知log2(3)=a,log2(5)=b,则用a,b表示lg108