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Berreketak (2.maila)
Contributed by: Angoitia
  • 1. 2-5·24
A) -2
B) 2-1
C) 1/2-1
D) -1/2
  • 2. 54:57
A) 5-3
B) 1/(-5)3
C) -53
D) 53
  • 3. (2-4)3
A) 1/(-2)12
B) -212
C) 2-12
D) 2-1
  • 4. 32·3-3·34
A) (-3)-3
B) 35
C) 33
D) -1/33
  • 5. 35·55·75
A) 13125
B) 155
C) 315
D) 1055
  • 6. 76:96
A) 1/26
B) (7/9)6
C) (-2)6
D) 42/54
  • 7. 6-3·7-3
A) (1/42)3
B) -18/-21
C) 13-3
D) -423
  • 8. 3-4:5-4
A) (5/3)4
B) (-2)-4
C) -(3/5)4
D) (5/3)-4
  • 9. 52·5-7·53
A) -25
B) -10
C) -52
D) (1/5)2
  • 10. 63·2-4
A) 23·33
B) -18·8
C) 33·2-1
D) -33·2
  • 11. 43·2-3·8
A) 21
B) 43·20
C) -26
D) 26
  • 12. 9-7·911
A) 38
B) -94
C) 9-4
D) 1/94
  • 13. 46:8-3
A) -1/23
B) 24/(-24)=-1
C) 221
D) 2-3
  • 14. (259)-3
A) 2527
B) 5-54
C) 256
D) 1/25-27
  • 15. (16-5:43)-2
A) -1/426
B) 4-26
C) 2-52
D) 252
  • 16. (49-3)4:7-6
A) 718
B) 730
C) -718
D) (1/7)18
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