Barcode Strategy - How a barcode works - How to open a barcode

To complete the series explaining all the strategies and create your own strategy
In this video, learn how the barcode works in detail, step by step, how to activate the barcode in more than one way in the class, how to use the barcode as an activity outside the classroom, how to open the barcode from the phone, and the easiest way to open the barcode
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