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Old August 25th, 2015, 09:47 PM   #1
admin tim
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Default A new brain teaser 4 U

It's been awhile.
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Old August 26th, 2015, 03:39 AM   #2
Lynn Cates
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Hello Tim. Interesting.

Here's a try. Let's assume exponentials are discounted. Then:

(8 + 8 + 8 + 8 + 8)/8 = 5. Raise the entire expression to the power of 3 and you have 125. Multiply by 8 and you have 1000. (So far, that's 7 eights.) Next multiply by 8 raised to the power of zero. Voila.

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Old August 26th, 2015, 03:45 AM   #3
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Quote:
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It's been awhile.
888 + 8x(8+8) - 8 - 8
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Old August 26th, 2015, 03:46 AM   #4
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Or you could just say -

888 + 88 + 8 + 8 + 8

Probably other ways to do it as well as mine and Lynn's.
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Old August 26th, 2015, 04:02 AM   #5
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Or how about -

(8888-888)/8?

That works [I think...]
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Old August 26th, 2015, 04:44 AM   #6
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Or you could just say -

888 + 88 + 8 + 8 + 8
Ah, yes - I'm sure that's the "right" answer. Though I like your alternative.
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Old August 26th, 2015, 06:19 AM   #7
Tracy Ianson
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I got stuck after 8+8 - that is where my math knowledge ended
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Old August 26th, 2015, 06:44 AM   #8
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Quote:
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it's been awhile.
8 + 8 = 16 x 8 x 8 x 8 = 1024 - 8 - 8 - 8 = 1000
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Old August 26th, 2015, 06:53 AM   #9
Robert Linford
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8 + (8+8/8) = 10
(10 x 8/8) = 10
10 x 8 to the power of zero is 10
Lay the last eight on its side and add = 1000
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Old August 26th, 2015, 07:09 AM   #10
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Ooh! Ooh! How about this??

8888/8.888

Does that work? [Although, are decimal points allowed?]

Quote:
Ah, yes - I'm sure that's the "right" answer. Though I like your alternative.
Thank you kindly, CGP. I attribute my preference for adding up 2 large number and 3 small to a virtual lifetime of watching Countdown. The other one made my brain hurt.

They don't do that sort of thing on Countdown.
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