Korchai Lv2Posted 2026-Aug-04 11:19
  
   A. 30 ~ 1800
brsalenga Lv2Posted 2026-Aug-04 11:36
  
the answer is B. 60 ~ 3600
Humayun Ahmed Lv4Posted 2026-Aug-04 12:31
  
A. 30 ~ 1800