Odpowiedzi

2010-03-24T17:02:10+01:00
Oblicz:
a) 1 - 3/7 = 7/7 - 3/7 = 4/7
b) 2 - 2/13 = 26/13 - 2/13 = 24/13 = 1 i 11/13
c) 2 ⅔ - 2 = 2/3
1 - ⅕ = 4/5
1 - 7/16 = 16/16 - 7/16 = 9/16
3 5/7 - 1 = 2 i 5/7
2 - 3/8 = 16/8 - 3/8 = 13/8 = 1 i 5/8
3 - ⅗ = 15/5 - 3/5 = 12/5 = 2 i 2/5
2 1/14 - 2 = 1/14
1 5 1