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