#### ELEGANT INEQUALITY-332

Proposed by Jalil Hajimir-Toronto-Canada ELEGANT INEQUALITY-332 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### INTEGRAL INEQUALITY-319

Proposed by Jalil Hajimir-Toronto-Canada INTEGRAL INEQUALITY-319 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### INTEGRAL CALCULUS-223

Proposed by Radu Diaconu-Romania INTEGRAL CALCULUS-223 Solution 1 by Kamel Benaicha-Alger-Algerie, Solution 2 by Khanh Hung Vu-Ho Chi Minh-Vietnam, Solution…

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#### INTEGRAL CALCULUS-219

Proposed by Daniel Sitaru-Romania INTEGRAL CALCULUS-219 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### CYCLIC INEQUALITY-725

Proposed by Daniel Sitaru-Romania CYCLIC INEQUALITY-725 Solution 1 by Khanh Hung Vu-Ho Chi Minh-Vietnam, Solution 2 by Sanong Huayrerai-Nakon Pathom-Thailand,…

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#### CYCLIC INEQUALITY-724

Proposed by Jalil Hajimir-Toronto-Canada CYCLIC INEQUALITY-724 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### EQUATION IN REAL NUMBERS-69

Proposed by Rajeev Rastogi-India EQUATION IN REAL NUMBERS-69 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### ELEGANT INEQUALITY-327

Proposed by Jalil Hajimir-Toronto-Canada ELEGANT INEQUALITY-327 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam

#### SYSTEM-57

Proposed by Daniel Sitaru-Romania SYSTEM-57 Solution 1 by Khanh Hung Vu-Ho Chi Minh-Vietnam, Solution 2 by Ravi Prakash-New Delhi-India, Solution…

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#### ABSTRACT ALGEBRA-24

Proposed by Daniel Sitaru-Romania ABSTRACT ALGEBRA-24 Solution by Khanh Hung Vu-Ho Chi Minh-Vietnam