#### CYCLIC INEQUALITY-641

Proposed by Marin Chirciu-Romania CYCLIC INEQUALITY-641 Solution 1 by Marian Ursarescu-Romania, Solution 2 by Michael Sterghiou-Greece, Solution 3 by Rajeev…

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#### CYCLIC INEQUALITY-640

Proposed by Daniel Sitaru-Romania CYCLIC INEQUALITY-640 Solution 1 by Soumava Chakraborty-Kolkata-India, Solution 2 by Myagmarsuren Yadamsuren-Darkhan-Mongolia, Solution 3 by Tran…

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#### CYCLIC INEQUALITY-639

Proposed by Petre Rau-Romania CYCLIC INEQUALITY-639 Solution 1 by Florentin Visescu-Romania, Solution 2 by Sanong Huayrerai-Nakon Pathom-Thailand, Solution 3 by…

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#### CYCLIC INEQUALITY-638

Proposed by Florica Anastase-Romania CYCLIC INEQUALITY-638 Solution 1 by Rahim Shahbazov-Baku-Azerbaijan, Solution 2 by Avishek Mitra-West Bengal-India, Solution 3 by…

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#### CYCLIC INEQUALITY-637

Proposed by Florica Anastase-Romania CYCLIC INEQUALITY-637 Solution 1 by George Florin Serban-Romania, Solution 2 by proposer

#### CYCLIC INEQUALITY-636

Proposed by Rahim Shahbazov-Baku-Azerbaijan CYCLIC INEQUALITY-636 Solution 1 by Daniel Sitaru-Romania, Solution 2 by Tran Hong-Dong Thap-Vietnam

#### CYCLIC INEQUALITY-635

Proposed by Daniel Sitaru-Romania CYCLIC INEQUALITY-635 Solution by proposer

#### CYCLIC INEQUALITY-634

Proposed by Jalil Hajimir-Toronto-Canada CYCLIC INEQUALITY-634 Solution by Daniel Sitaru-Romania

#### INTEGRAL CALCULUS-143

Proposed by Abdul Mukhtar-Nigeria INTEGRAL CALCULUS-143 Solution 1 by Avishek Mitra-West Bengal-India, Solution 2 by Ovwie Edafe-Nigeria

#### INTEGRAL CALCULUS-142

Proposed by Mohammed Bouras-Marocco INTEGRAL CALCULUS-142 Solution by Mokhtar Khassani-Mostaganem-Algerie