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