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你知道吗?足球除了是世界第一项运动以外,它的里面还藏着不少的数学奥妙呢!今天我就用自己的学习经历来聊聊足球中黑皮与白皮吧!读过五年级的同学一定学到过这样的题目:“白皮共有20块,比黑皮的2倍少4块,足球上的黑皮都是正五边形,白皮都是正六边形,问:黑皮多少块?”这道题目很简单,列个方程就OK了。
Did you know that football in addition to being the world’s first sport outside, it also contains a lot of mathematical mystery it! Today, I use their own learning experience to talk about the football black and white! Grade students must have learned this topic: “White a total of 20, 2 times less than the black 4, football black are regular pentagons, white are regular hexagon, ask: Black how many pieces? ”This topic is very simple, a list of equations on the OK.