## Re: tragiska matematika

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• Laba diena, Minèiø sodo nariai, labai ádomus laiðkas, aèiû. Gal kas ið mûsø ðiuo metu yra laisvesnis ir galëtø ðiuos jumoristinius-matematinius
Message 1 of 2 , May 2, 2003
Laba diena, "Minčių sodo" nariai,

labai įdomus laiškas, ačiū.

Gal kas iš mūsų šiuo metu yra laisvesnis ir galėtų šiuos
jumoristinius-matematinius uždavinius išversti į lietuvių kalbą?

Dar įdomiau būtų pabandyti sugalvoti panašių uždavinių su lietuviška
potekste, gal kam pavyktų?

Raimundas

Minciu_sodas_LT@yahoogroups.com writes:
>
>1. Teaching Maths in 1950:
>A logger sells a truckload of lumber for \$100.
>His cost of production is 4/5 of the price.
>What is his profit?
>
>2. Teaching Maths in 1960:
>A logger sells a truckload of lumber for \$100.
>His cost of production is 4/5 of the price, or \$80.
>What is his profit?
>
>3. Teaching Maths in 1970:
>A logger exchanges a set "L" of lumber for a set "M" of money.
>The cardinality of set "M" is 100. Each element is worth one dollar.
>Make 100 dots representing the elements of the set "M."
>The set "C", the cost of production contains 20 fewer points than set "M."
>Represent the set "C" as a subset of set "M" and answer the following
>question:
>What is the cardinality of the set "P" of profits?
>
>4. Teaching Maths in 1980:
>A logger sells a truckload of lumber for \$100.
>His cost of production is \$80 and his profit is \$20.
>Your assignment: Underline the number 20.
>
>5. Teaching Maths in 1990:
>By cutting down beautiful forest trees, the logger makes \$20. What do you
>think of this way of making a living? Topic for class participation after
>answering the question: How did the forest birds and squirrels feel as the
>logger cut down the trees?
>