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    johnpriester's Avatar
    johnpriester Posts: 1, Reputation: 1
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    #1

    Sep 26, 2011, 02:30 PM
    Math brain teasers 4 numbers add up to 24?
    Using 11,17,16,13 please add subtract multiply or divide these 4 numbers to add up to 24. You can't use the number more than once and you must use all numbers. Example(4+5)/(18*3)=? But only using the numbers I have list above please.
    aliseaodo's Avatar
    aliseaodo Posts: 1,671, Reputation: 259
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    #2

    Sep 26, 2011, 04:15 PM
    This sounds like homework! I'll trust its just a 'teaser', like you said (hmmm)
    try this:
    17-16 x 11+13 (so, 1 multiplied by 24 = 24)... I remember doing these in 7th grade every day at the start of math... you sure this isn't homework??
    aerovan's Avatar
    aerovan Posts: 5, Reputation: 1
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    #3

    Aug 1, 2012, 07:23 AM
    23=24 only appears in my solution
    =11*17/(16+13)=24
    or
    =(11-17)+(16+13)
    aerovan's Avatar
    aerovan Posts: 5, Reputation: 1
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    #4

    Aug 1, 2012, 07:25 AM
    My closest answer is between 23and25
    aliseaodo's Avatar
    aliseaodo Posts: 1,671, Reputation: 259
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    #5

    Aug 1, 2012, 08:48 AM
    aerovan - check the date on this thread (and... my answer is correct... )
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