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T¨ªn Hi?u R?i R?c: N?u t¨ªn hi?u ???c bi?u di?n b?i h¨¤m c?a c¨¢c bi?n r?i r?c, th¨¬ t¨ªn
hi?u ?¨® ???c g?i l¨¤ t¨ªn hi?u r?i r?c.
T¨ªn hi?u rr
T¨ªn hi?u rr

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T¨ªn hi?u rr

  • 1. T¨ªn Hi?u R?i R?c: N?u t¨ªn hi?u ???c bi?u di?n b?i h¨¤m c?a c¨¢c bi?n r?i r?c, th¨¬ t¨ªn hi?u ?¨® ???c g?i l¨¤ t¨ªn hi?u r?i r?c.