#### TANGENTIAL QUADRILATERAL-1

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#### A NICE EQUATION BY JHOAW CARLOS

Proposed by Jhoaw Carlos-La Paz-Bolivia A NICE EQUATION BY JHOAW CARLOS Solution by proposer

#### A NICE INEQUALITY BY NGUYEN VAN NHO-4

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#### A NICE INEQUALITY BY NGUYEN VAN NHO-3

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#### A NICE INEQUALITY BY NGUYEN VAN NHO-2

Proposed by Nguyen Van Nho-Nghe An-Vietnam A NICE INEQUALITY BY NGUYEN VAN NHO-2 Solution by proposer