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■这是一个重要的条件等式,它的应用极为广泛,利用它来解决含立方或开立方的数学问题,往往简捷巧妙,现分类举例应用如下:
■ This is an important conditional equation. Its application is extremely wide. Use it to solve the mathematics problems with cubic or open cubes, which are often simple and clever. The current classification examples are as follows: