【評論主題】5. 下列何者與log1+ log 2+ log 3 +log 4+ log 5− log 6 的值最為接近？( 已知log 2的值約為0.301，而log 3的值約為0.4771 )(A) 0.1

【評論內容】log1=0，log2=0.3010，log3=0.4771，log4=2log2=0.3010*2=0.6020，log5=log10／2=1-0.3010=0.6990（log10=1），log6=log2+log3=0.3010+0.4771=0.77810+0.3010+0.4771+0.6020+0.6990—0.7781=1.301