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数感:即在数学学习中对数字的一种数学思维意识. 在数学解题中,我们如果具备一定的数感意识,往往能准确的找到解题方向.结合下面例题我们来进行说明.
Number sense: It is a kind of mathematic thinking consciousness of numbers in mathematics learning. In mathematics problem solving, if we have a certain sense of number sense, we can often find the problem solving direction accurately. Combine the following examples to illustrate.