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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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Hints/Tips re(2): Spoilers and expansion | Comment 4 of 6 |
(In reply to re: Spoilers and expansion by xdog)

Part a:  8-7+6*5............nice


Part c:  17*15-16*14...........you are supposed to use 4 digits,
 not numbers

Edited on August 16, 2018, 1:26 am
  Posted by Ady TZIDON on 2018-08-16 01:24:21

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