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Mathematics 11 Online
OpenStudy (accidentalaichan):

When you find the union (U) of two sets, do you repeat numbers?

OpenStudy (tkhunny):

No. Elements appearing more than one count only as one. If you are bleu and 3 ft tall, and we gather up all the 3 ft tall blue people, are there suddenly two of you? I think not.

OpenStudy (accidentalaichan):

Okay, Thanks. I was really confused on this.

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