对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)

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对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)
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对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)
对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)
log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)

对数 log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)log5(35)+2log1/2( 根号2)-log5(1/50)-log5(14)
log5(35)-log5(1/50)-log5(14)+2log1/2( 根号2)
=log5(35/(1/50))-log5(14)+2log2( 根号2)
=log5(35*50))-log5(14)+2log1/2(1/2的负二分之一次方)
=log5(35*50/14)+2*(-1/2)
=3-1
=2