Number System Subir Das // Subir das Number System // বাস্তব সংখ্যা

[@susmitapalit4461]

Ei first time apner jhnno eto valo math bujte parlam.. Thank you sir🙏🙏

[@biplabbhowmik805]

(39)ans 7

[@RanjitChowdhury-m6d]

❤❤❤

[@anirbandas2902]

Sir apnar Divisibility subir das booker video gulo pacchina

[@biplabbhowmik805]

Subir Das ar gi class dine sir ❤

[@mdshainakther1777]

Thank you

[@C..adhikary]

Nice