#### EQUATION IN REAL NUMBERS-52

Proposed by Daniel Sitaru-Romania EQUATION IN REAL NUMBERS-52 Solution by Bedri Hajrizi-Mitrovica-Kosovo

#### EQUATION IN REAL NUMBERS-51

Proposed by Marin Chirciu-Romania EQUATION IN REAL NUMBERS-51 Solution by Khaled Abd Imouti-Damascus-Syria

#### LIMIT-305

Proposed by Srinivasa Raghava-AIRMC-India LIMIT-305 Solution 1 by Naren Bhandari-Bajura-Nepal, Solution 2 by Kamel Benaicha-Algiers-Algerie

#### TETRAHEDRON-16

Proposed by Thanasis Gakopoulos-Larisa-Greece TETRAHEDRON-16 Solution by proposer

#### TETRAHEDRON-15

Proposed by Thanasis Gakopoulos-Larisa-Greece TETRAHEDRON-15 Solution by proposer

#### ELEGANT INEQUALITY-293

Proposed by Nguyen Van Canh-Ben Tre-Vietnam ELEGANT INEQUALITY-293 Solution by Sanong Huayrerai-Nakon Pathom-Thailand

#### ELEGANT INEQUALITY-292

Proposed by Daniel Sitaru-Romania ELEGANT INEQUALITY-292 Solution 1 by Florentin Visescu-Romania, Solution 2 by Tran Hong-Dong Thap-Vietnam

#### ELEGANT INEQUALITY-291

Proposed by Mohammed Bouras-Morocco ELEGANT INEQUALITY-291 Solution by Tran Hong-Dong Thap-Vietnam

#### ABSTRACT ALGEBRA-18

Proposed by Marian Ursarescu-Romania ABSTRACT ALGEBRA-18 Solution 1 by Florentin Visescu-Romania, Solution 2 by Julio Cesar Monhsham-Pelotas-Brazil

#### ABSTRACT ALGEBRA-17

Proposed by Marian Ursarescu-Romania ABSTRACT ALGEBRA-17 Solution by Florentin Visescu-Romania