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Ascending order (Posted on 2018-05-26) Difficulty: 4 of 5
1 x 2 x 3 x 4 x 5 x 6 x 7 x 8 x 9 = 10
Replace the 'x' by '+', '-', '*', '/'.
No operator occurs more than twice.
Evaluation is left to right, no brackets, e.g. 1+2*3-4= 3*3-4=5

Source: Zeit Magazin, Nr 13, 22. Mar. 96

  Submitted by Ady TZIDON    
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Solution: (Hide)
1 -2 +3 /4 *5 *6 -7 /8 +9 = 10
or
1/2 *3 -4 +5 *6 -7 /8 +9 =10

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  Subject Author Date
Solutioncomputer solution (spoiler)Charlie2018-05-26 13:00:57
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