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31 created by 4 successive integers (Posted on 2018-08-13) Difficulty: 2 of 5
Express 31 by 4 successive digits, using no more than 4 out of 5 basic operations (i.e. + - / * and exponentation), nothing else allowed.
No brackets!


The order of the digits must be an arithmetic progression like 8*7-6-5 or 3+4*5+6, examples fitting the specifications but not the result.

No Solution Yet Submitted by Ady TZIDON    
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re: Spoilers and expansion | Comment 3 of 6 |
(In reply to Spoilers and expansion by Ady TZIDON)

Part a:  8-7+6*5


Part c:  17*15-16*14


  Posted by xdog on 2018-08-15 16:28:09
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