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Operacions amb fraccions
  • 1. 2/5 + 4/5
A) 5/5 =1
B) 8/5
C) 6/5
D) 6/10
  • 2. 15 /20 - 12/20
A) 3/20
B) 3/40
C) 27/20
D) 2/5
  • 3. 3/10 + 5/10 -2/10
A) 6/30
B) 6/10
C) 10/10
D) 9/10
  • 4. 1/2 + 2/3
A) 5/3
B) 3/5
C) 2/6
D) 7/6
  • 5. 5/8 - 2/16
A) 8/16 = 1/2
B) 16/8 =2
C) 3/24 = 1/8
D) 0/8
  • 6. 6/12+9/15
A) 15/27=5/9
B) 60/60=1
C) 11/10
D) 15/15=1
  • 7. 4/3+1/2+5/9
A) 33/18
B) 10/14=5/7
C) 43/18
D) 10/18=5/9
  • 8. 26/5-19/10
A) 1/30
B) -5/0
C) -5/30=-1/6
D) 109/30
  • 9. 3/4+1/2-5/8
A) 10/8=5/4
B) -1/8
C) 5/4
D) 5/8
  • 10. 5/2-3/4-1/6
A) 19/12
B) 13/6
C) 1/6
D) 1/12
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