Toshmatova U. BOSHLANG‘ICH SINFLARDA O‘QUVCHILARNI ARIFMETIK MASALALARNI YECHISHGA O‘RGATISH. KU [Internet]. 2026 May 21 [cited 2026 May 23];18(B):46-8. Available from: https://www.herald.kokanduni.uz/index.php/public_html/article/view/1665