CHO 11 15 22A. A = – 22; B = – 30; C = – 60 B. A = 22; B = 30; C =...

Câu 47: Cho

11

15

22

A. a = – 22; b = – 30; c = – 60

B. a = 22; b = 30; c = 60

C. a = – 22; b = – 30; c = – 44

D. a = 22; b = 30; c = 44