Odpowiedź :
a) 8 1/2 - 3 = 7 3/2 - 2 2/2 = 5 1/2
b) 8 - 7 9/10 = 7 10/10 - 7 9/10 = 1/10
c) 2 - 5/7 = 1 7/7 - 5/7 = 1 2/7
d) 5 - 7/13 = 4 13/13 - 7/13 = 4 6/13
e) 4 1/3 - 2/3 = 3 4/3 - 2/3 = 3 2/3
a) 8 1/2 - 3 = 7 3/2 - 2 2/2 = 5 1/2
b) 8 - 7 9/10 = 7 10/10 - 7 9/10 = 1/10
c) 2 - 5/7 = 1 7/7 - 5/7 = 1 2/7
d) 5 - 7/13 = 4 13/13 - 7/13 = 4 6/13
e) 4 1/3 - 2/3 = 3 4/3 - 2/3 = 3 2/3