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a) 11/12 - 4/12 = 7/12
b) 20 - 3/7 = 19 4/7
c) 14 2/5 - 3/5 = 13 4/5
d) 32 - 4 5/6 = 27/1/6
e) 85 10/11 - 26 4/11 = 59 6/11
f) 27 3/8 - 19 5/8 =7 6/8
z.2
a) 6/7 - 3/4 =3/28
b) 12/13 - 2/5 =34/65
c) 1 2/3 - 1/6 = 1 1/2
d) 2 1/2 - 1 3/4 =3/4
e) 12 7/10 - 8 7/8 =3 33/40
f) 4 7/9 - 2 11/12 = 1 31/36
myślę że dobrze jest dobrze