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对于二次根式进行大小比较,通常是不允许计算其值的,那么怎样才能正确、灵活地解答这类问题呢?下面向同学们介绍几种方法.
For the secondary root size comparison, it is usually not allowed to calculate the value, then how to correctly and flexibly to answer such problems? Here are some ways to introduce to the students.