Liu Kai Yun Books

Yi xue jiu hui de shan suan
Yi xue jiu hui de shan suan

By Wang Yi, Liu Kai Yun

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Ben shu yi ren men chang yong de ji suan wei nei rong, Chan shu ji suan yuan li, Xi tong jie shao le liang ge shu jia jian cheng chu, Cheng fang, Kai fang de duo zhong shan su ji qiao.

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If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.

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