I don't understand just why

so apparently 0 divided by 0 is just undefined. I don't understand at all why, seeing that its pretty much just everything. My opinion is that 0 divided by 0 is actually any number, that there is no wrong answer, only correct ones. But I'm not a professional, so somebody help me with this.

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`\boxed{123}`	$\boxed{123}$

I don't understand just why

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