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Contest day 6

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Zatrikon

Active Member
36

A perfect square (6^2). A perfect triangle (1+2+3+4+5+6+7+8). A product of two squares (2^2 * 3^2). A difference of two squares (10^2 - 8^2).

All-in-all, a great number!
 

DeletedUser39238

5 + 5 + 5 = 15
5 + 7 + 3 = 15
7 - 2 = 5
7 * 3 = 21
21 + 15 = 36

36
 

DeletedUser30667

The correct answer is 36. 5+5+5=15 for first line...5+7+3=15 for second line...7-2=5 for third line...7*3=21 for fourth line....21+15=36 for both fifth line and final answer :)
 
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