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足球是我们喜爱的一种球类,与足球有关的问题就应运而生,其中与一元一次方程有关的问题受到命题者的青睐.一、表面上的黑皮与白皮问题足球一般由黑白相间的小皮块组成,黑皮呈五边形,白皮呈六边形(如
Football is a kind of ball that we like. Problems relating to football have arisen. Among them, problems related to the one-dimensional equation are favored by propositioners. 1. Black and white skin on the surface. Football is usually black and white. The small skin is composed of black skin with pentagonal shape and white skin with hexagonal shape (such as