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$E=|A\bigcup B|$

Started By stronger steps 99, 10-08-2014 - 10:00

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Hạ sĩ

Cho E={1,2,3,4,5} và $E=A\bigcup B$.CM: 1 trong 2 tập A hoặc B có 2 phần tử có hiệu = 1 phần tử trong tập đó

Edited by stronger steps 99, 10-08-2014 - 10:10.

:like Do not worry about your difficulties in Mathematics. I can assure you mine are still greater. :like

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