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KCC's Quizzes AQQ272 about a division giving its double

This week, we will relax a little bit with a quite easy problem AQQ273:

Good luck and try to be among the first ones!

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  • This quizz has a lot of initial challenges.
    The visual cues above the question itself hints to a division of dice which leads to a double six: statistics here?
    Then the question itself is laced with brackets, and a minus sign, so maybe I need to do some subtraction as well ;-).
    But removing the expressions in the brackets, the question is: which number divided by itself equals 2x itself, maybe there is more than 1 answer.
    So the math is:
    - for which x:
    \frac{x}{x}=2x =>
    1=2x =>
    x=\frac{1}{2}

    I was inclined to also nominate -1/2, but the sign turns out wrong.

Reply
  • This quizz has a lot of initial challenges.
    The visual cues above the question itself hints to a division of dice which leads to a double six: statistics here?
    Then the question itself is laced with brackets, and a minus sign, so maybe I need to do some subtraction as well ;-).
    But removing the expressions in the brackets, the question is: which number divided by itself equals 2x itself, maybe there is more than 1 answer.
    So the math is:
    - for which x:
    \frac{x}{x}=2x =>
    1=2x =>
    x=\frac{1}{2}

    I was inclined to also nominate -1/2, but the sign turns out wrong.

Children

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