log2(3)×log2(4)=log2(7)吗?
不对!
log2(3)=log10(3)/log10(2)=0.477/0.301=1.585
log2(4)=log10(4)/log10(2)=0.602/0.301=2
log2(7)=log10(7)/log10(2)=0.845/0.301=0.254