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