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Mathematics, 23.02.2021 06:40 lazavionadams81

I need help please ASAP How many tiles are used to model “x+3” in x+3=7 and how did you know?

x- tiles:

3-tiles:

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I need help please ASAP How many tiles are used to model “x+3” in x+3=7 and how did you know?
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