Ncert book class 8 math chapter 13 July 8, 2019 16 32 64 128 Ncert math book class 8 chapter 13 exercise 13.1 8 sinf algebra 132 misol 8 sinf geometriya javoblari фалес теоремасы Geometriya 8 sinf javoblari 1-chorak 8 sinf algebra 134 misol
