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Թերրի Մուր. Ինչո՞ւ է X-ը համարվում անհայտի նշան
4,340,690 views |
Թերրի Մուր |
TED2012
• February 2012
Read transcript
Why is 'x' the symbol for an unknown? In this short and funny talk, Terry Moore gives the surprising answer. Ինչո՞ւ է X-ը համարվում անհայտի նշան: Այս կարճ և զվարճալի ելույթում Թերրի Մուրը տալիս է հարցի զարմանալի պատասխանը:
culture
history
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math
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