10m 2591 Ai L165lm Iao K19e 20lm Bl D 15 Mi 0 Figure 344 Problems 36 And 37 37 Referring 1.14 MB 1:23 Play Download
A Charge Qa 20c Is Located At A6 4 7 And A Charge Qb 50c Is At B5 8 2 In Free S 464.06 KB 0:33 Play Download