Ncert class 8 maths chapter 12 12.1 July 8, 2019 16 32 64 128 Ncert class 8 maths chapter 12 factorisation exercise 12.1 Ncert maths class 8 chapter 12 exercise 12.1 question 7 8 sinf geometriya javoblari фалес теоремасы Geometriya 8 sinf javoblari 1-chorak Narpay tumani 12 maktab 8 sinf geometriya фалес теоремасы