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