গড় থেকে গড় ব্যবধান নির্ণয়

[@IsratIsrat-o3g]

Thanks sir

[@mstasfea6213]

thanks sir❤

[@AnimaRaniBasak]

Very nice

[@SirajulIslam-c7r]

Tnx

[@SirajulIslam-c7r]

vai sondor kri bojaiya deu

[@AnimaRaniBasak]

উপস্থাপন