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“对称”在小学数学中有很重要的作用,不仅能帮助我们判断一个图形是不是对称图形,而且还能帮助我们简化思维过程,实现难题巧解。例题:下面是一个数字方阵,它有100行。每一行中有100个连续的自然数。这个方阵中所有自然数的和是多少?
“Symmetry ” plays a very important role in elementary mathematics. It not only helps us to judge whether a figure is a symmetrical figure, but also helps us to simplify the thinking process and solve the problem. Example: Here is a number square, which has 100 lines. There are 100 consecutive natural numbers in each row. What is the sum of all natural numbers in this square?