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The Most Difficult Taskspuzzles, riddles, mathematical problems, mastermind, cinemania... These are the tasks listed 1 to 10. |
Which is a winning combination of digits?

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Calculate the number 4278

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MAGIC SQUARE: Calculate A*B+C

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Ballpen in space
When NASA first started sending up astronauts, they quickly discovered that ballpoint pens would not work in zero gravity.
To combat the problem, NASA scientists spent a decade and $12 billion to develop a pen that writes in zero gravity, upside down, underwater, on almost any surface including glass and at temperatures ranging from below freezing to 300 C.
The Russians used a pencil.
Find number abc

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What a winning combination?

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Calculate the number 473

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Find number abc

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What a winning combination?

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Calculate the number 7453

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MAGIC SQUARE: Calculate A+B*C

Correct answers: 0
#brainteasers #math #magicsquare