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Forehead numbers brain teaser | Puzzles | Math for fun and glory | Khan Academy

207,326 views

Khan Academy

Video Language:

  • English

Caption Language:

  • {{captionLanguage | language_name}} ({{captionLanguage}})

Accent:

  • English (US)

Speech Time:

94%
  • 11:27 / 12:08

Speech Rate:

  • 187 wpm - Fast

Category:

  • Education

Tags :

Intro:

Video Vocabulary

logicians

/ləˈjiSH(ə)n/

noun other

expert in or student of logic. Person skilled at symbolic logic and reasoning.

numbers

/ˈnəmbər/

noun other verb

arithmetical value expressed by word, symbol, or figure. Particular songs or dances performed during shows. To assign a sequence within a group, series, set.

logically

/ˈläjək(ə)lē/

adverb

according to rules of logic or formal argument.

another

/əˈnəT͟Hər/

adjective determiner pronoun

One more, but not this. used to refer to additional person or thing of same type as one. One more (thing).

teasers

/ˈtēzər/

noun other

person who makes fun of or provokes others in playful or unkind way. Ads before the main campaign, to arouse interest.

perfect
adjective noun verb

So good it cannot be improved. perfect tense. To do something so well, it cannot be done better.

infallible

/inˈfaləb(ə)l/

adjective

incapable of making mistakes or being wrong.

dungeon

/ˈdənjən/

noun verb

strong underground prison cell. imprison someone in dungeon.

actually

/ˈak(t)SH(o͞o)əlē/

adverb

as truth or facts.

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