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初中物理说理题的解答,可以用叙述,也可以用数学推证.而后者逻辑性强,避免了文字上的拖泥带水,是一种简明易懂的好方法.下面就用数学推证法解电学方面的说理题略举两例.
The solution to the problem of junior high school physics can be either narrative or mathematical proof. The latter is logically strong and avoids the drag on words. It is a simple and concise method. The following uses the mathematical proof method to solve electricity. There are two examples of aspects of the theory.