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Consider the operation ☮\large ☮☮ with the following properties: a☮b=a+b+aba☮b☮c=(a☮b)☮c \large a☮b=a+b+ab\\ \large a☮b☮c=(a☮b)☮c a☮b=a+b+aba☮b☮c=(a☮b)☮c
Evaluate 12☮13☮14☮…☮12015.\large \frac { 1 }{ 2 } ☮\frac { 1 }{ 3 } ☮\frac { 1 }{ 4 } ☮ \ldots☮\frac { 1 }{ 2015 }. 21☮31☮41☮…☮20151.
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