log2 5 +log2 5=?(紧急,火速回答啊)
log2 3/log2 5等于log2 3-log2 5么?
log2 5/4+log2 5
log的计算 :log2(20)-log4(25)= log3(2)×log2(5)×log5(3)=?log2[log
解不等式:|log2(x-1)|+log2(5-x)
log2的5次方+log2的1/10次方=?
LOG2^3=A,LOG2^5=b,则log2^9/5值是多少
log2(x-2)=log4(5-x)
log2(3)+log3(5)+log3(2)=?
已知lg2=0.3010,求log2*5
解方程:log2(9^(x-1)-5)-log2(3^x +2)-2=0
解方程log2(9x-1-5)=log2(3x-1-2)-2.
log2=lg2?这两个相等吗?5分钟回答,急用