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)

问题描述:

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...