Oblicz :
a) 6 5/14 - 7/14 =
b) 8 3/9 - 2 5/9 =
c) 7 1/5 - 5 3/5 =
d) 18 1/7 - 1 4/7 =
e) 20 2/7 - 1 4/7 =
f) 33 3/7 - 1 4/7 =
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a) 6 5/14 - 7/14 = 5 12/14
b) 8 3/9 - 2 5/9 = 5 7/9
c) 7 1/5 - 5 3/5 = 1 3/5
d) 18 1/7 - 1 4/7 = 16 4/7
e) 20 2/7 - 1 4/7 = 18 5/7
f) 33 3/7 - 1 4/7 = 31 6/7
a) 5 i 19/14-7/14 = =5 i 12/14 = 5 i 6/7
b) 7 i 12/9 - 2 i 5/9= 5 i 7/9
c) 6 i 6/5 - 5 i 3/5 = 1 i 3/5
d) 17 8/7 - 1 i 4/7 = 16 i 4/7
e) 19 i 9/7 - 1 i 4/7 = 18 i 5/7
f) 32 i 10/7 - 1 i 4/7 = 31 i 6/7