1
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What word does this string result into?

The ; sign marks separation between letters.

i-a;2b+a;2f;2f;e+e+e;

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4
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I think the answer is

hello

Reasoning:

Using the usual alphabet-to-numbers conversion (a=1, b=2, and so on).

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  • $\begingroup$ How to you found ll and o?(I found just h and e.) $\endgroup$ – Ronronner Jul 26 '16 at 13:48
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    $\begingroup$ @Ronronner 2f=2*f=2*6=12=l, and e+e+e=5+5+5=15=o $\endgroup$ – elias Jul 26 '16 at 13:49
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    $\begingroup$ @Ronronner f=6 , 2f=12 so 12th letter is L $\endgroup$ – Arun Xavier Jul 26 '16 at 13:49
  • $\begingroup$ Ok, I understood! $\endgroup$ – Ronronner Jul 26 '16 at 13:51
2
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I get HELLO convert character to number with a starting as 1 and increment by 1 i - a gets you h 19[i]-1[a] = 18[h] 2b + a gets you 2(2[b]) + 1[a] = 5[e] 2f gets you 2(6[f]) = 12[l] e + e + e gets you 5[e] + 5[e] + 5[e] = 15[o]

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