Lấy gốc hình 7 lên 8 - Chủ đề "Hai tam giác bằng nhau" (Phần 1) - Thầy Lê Ngọc Diên

Building upon the foundation of geometry from grade 7 to grade 8 - Topic "Two Congruent Triangles" (Part 1) - Teacher Le Ngoc Dien -------------------------------------------------------------- Contact Email: [email protected] Phone Number: 0966959598 Enrollment for grades 6, 7, 8, 9 - Preparation for grade 10 entrance exams 💥 Personal Facebook: Le Dien   / thaydiendaytoan   💥 Tiktok: Teacher Le Ngoc Dien   / thaydiendaytoan   💥 Zalo: 0966959598