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one more hard mathematical puzzle...

This is a discussion on one more hard mathematical puzzle... within the Mathematical Puzzles forums, part of the Brain Gym category; Using the mathematical symbols (,+,-,*,/,) can you make following equation become true. 9 8 7 6 5 4 3 2 1 = 2021 Note: Don't combine the numbers. For example ...

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  #1 (permalink)  
Old 10-19-2007
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one more hard mathematical puzzle...

Using the mathematical symbols (,+,-,*,/,) can you make following equation become true.

9 8 7 6 5 4 3 2 1 = 2021

Note: Don't combine the numbers. For example 987+65....

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suresh
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Old 10-26-2007
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Re: one more hard mathematical puzzle...

Is it necessary to use all those mathematical symbols?
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Old 10-26-2007
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Re: one more hard mathematical puzzle...

No. That is not necessary.

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Old 10-26-2007
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Re: one more hard mathematical puzzle...

Is it necessary that the numbers must be in the given order?
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Old 10-26-2007
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Re: one more hard mathematical puzzle...

yes. It is necessary.
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Old 10-30-2007
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Re: one more hard mathematical puzzle...

Here is a big clue for you my friends...

* = using 4 times.
+ = using 3 times.
/ = using 1 time.
( = using 1 time.
) = using 1 time.
- = using 0 time.


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suresh
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Old 11-01-2007
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Re: one more hard mathematical puzzle...

The answer is
9*8*7*(6-5)*4+3+2*1 = 2021
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Old 11-02-2007
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Re: one more hard mathematical puzzle...

What a wounderful answer this was. You deserved it 3roses. Keep it up.

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Old 09-18-2008
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Re: one more hard mathematical puzzle...

9*8*7*(6-5)*4+3+2*1 = 2021
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