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Mathematics, 22.10.2021 14:00 babyduckies37

8. Cho A = 1 2 3
402
  
   
, B =
3 2 0
567


 
   
. Thế thì A + B

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Answers: 2

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8. Cho A = 1 2 3
402
  
   
, B =
3 2 0
567
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