又一种比较对数大小的方法———函数单调法甘大旺（武汉东西湖吴家山中学４３００４０）比较两个相差甚微且真数与底数均不相等的对数的大小，确实是高中数学教学的难点之一．文［１］、［２］分别探索了突破这一难点的不同方法，耐人寻味．本文再介绍一种方法———函数... Another method to compare the logarithm of the size of the function --- monotonous function of law Gan Dawang (Wujiashan Middle School Wuhan Wuhan 430040) compares the size of the two logarithms of the logarithms of the two are not very different and the true number and the base are not equal, indeed high school mathematics teaching One of the difficulties. Articles [1], [2] explored different ways to break through this difficult point, intriguing. This article describes a method - function...