一道对数计算,log3(27/5)+log3(2/3)-log3(6/5)
问题描述:
一道对数计算,
log3(27/5)+log3(2/3)-log3(6/5)
答
log3(27/5)+log3(2/3)-log3(6/5)
=log3(27/5×2/3÷6/5)
=log3(3)
=1