.
.
Ans ki "A "hobe naki "D"??
Ei qu ta ektu bujiye den
Ai math er shortcut ase?
Ai question er ans ta ki thik ase?thik thakleo amr man miltesena
Ai 2 ta math bujini
Solve kore den
3 no ta shortcut a solve kore den
Bujhay den onno vbe
"NO " ar bond crom 3.5 hbe na ?