February
21
Կոտորակների հանում և գումարում
Գումարում
- 1/8 + 6/8 = 7/8
- 4/6 + 9/12 = 17/12
- 5/5 + 7/8 = 75/40
- 2/3 + 1/4 =10/12
- 3/7+ 9/21 = 30/21
- 8/1 + 6/11 = 94/11
- 2/2 + 12/8 = 20/8
- 7/15 + 9/15 = 16/15
- 1/8 + 1/4 = 3/8
- 7/5 + 5/7 = 74/35
- 4/8 + 1/16 = 9/16
- 6/6 + 10/60 = 70/60
- 12/24 +3/48 = 27/48
- 9/18 + 4/36 =22/36
- 4/4+8/16 = 24/16
Հանում
- 8/3 – 1/4 = 33/12
- 9/18 – 4/36 = 14/36
- 12/24 – 3/48 =21/48
- 4/8 – 1/16 =7/16
- 7/5 – 5/7 = 24/35
- 8/1 – 6/11 = 82/11
- 6/6 – 4/4 = 0
- 2/3 – 1/4 = 5/12
- 13/5 – 9/5 = 4/5
- 4/4 – 2/2= 0
- 7/8 – 2/24 = 19/24
- 2/7 – 1/21 = 5/21
- 6/5 – 4/3 = -2
- 12/12 – 6/3 = -12
- 30/15 – 60-30 = 0