(log2 x)=(log2 x)^2-log2 x+2 (1) =(log2 x-0.5)^2+7/4 (2) 第一步式子 如何转化成第二步的
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(log2x)=(log2x)^2-log2x+2(1)=(log2x-0.5)^2+7/4(2)第一步式子如何转化成第二步的(log2x)=(log2x)^2-log2x+2(1)=(log2x-0
(log2 x)=(log2 x)^2-log2 x+2 (1) =(log2 x-0.5)^2+7/4 (2) 第一步式子 如何转化成第二步的
(log2 x)=(log2 x)^2-log2 x+2 (1) =(log2 x-0.5)^2+7/4 (2) 第一步式子 如何转化成第二步的
(log2 x)=(log2 x)^2-log2 x+2 (1) =(log2 x-0.5)^2+7/4 (2) 第一步式子 如何转化成第二步的
为表达方便起见,设log2 x=A,
A²-A+2
=A²-2×A×(1/2)+(1/2)²+2-(1/2)²
=(A-1/2)²+7/4 (配方法)
log2^(x^log2^x)=?
log2 (x + 3) + log2(x + 2) = 1log2 (x + 3) + log2(x + 2) = 1
log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5)
log2(x – 2 ) + 2 = log2(5)log2(x – 2 ) + 2 = log2(5)
log2 4+log2 (x+2)怎么算?log2 4+log2 (x+2)=log2 (4x+8)
log2(2x)*log2(x)=2 x=?
f(x)=log2(x/8)*log2(2/x)
log4(log2^x)=log2(log4^x)求log2^x
log2(-x)=x+
|2x-log2^x|
求导 y=log2(x^2)-log2(x)
求解log2(3x)=log2(2x+1)
解方程log2(2-x)=log2(x-1)+1
解2log2^(x-5)=log2^(x-1)+1
log2 (x+1)+log2 x=log6
|[log2(x)]^2-3log2(x)+1|
化简:(log2(x/4))*(log2(x/2))
解方程log2(x+14)-log2(x+6)=3-log2(x+2)