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  1. a,b=map(float, input().split())
  2. if a!=0:
  3.  print(f"{-b/a:.1f}")
  4. else:
  5.  if b==0:
  6.   print("Vo_so_nghiem")
  7.  else:
  8.   print("Vo_nghiem")
Success #stdin #stdout 0.04s 9188KB
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stdin 
0 1
stdout 
Vo_nghiem
https://ideone.com/obvJkd
language:
Python 3 nbc (python 3.7.3)
created:
11 hours ago
visibility:
public

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