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Bài tập tìm x có số mũ
  • 1. 2x=16
A) x=4
B) x=26
C) x=2
D) x=5
  • 2. 3x=27
A) x=3
B) x=33
C) x=9
D) x=2
  • 3. 22x=16
A) x=24
B) x=2
C) x=5
D) x=4
  • 4. 33x=81
A) x=9
B) x=3
C) x=27
D) x=33
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