nie znam odpowiedzi xd.
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nie znam odpowiedzi xd.
1-3/14=14/14-3/4=11/14
1-7/9=9/9-7/9=2/9
b)
3-1/4=2 4/4-1/4=2 3/4
5-5/7=4 7/7-5/7=4 2/7
c)
3 4/9-7/9=2 13/9-7/9=2 6/9=2 2/3
2 7/12-1 11/12=1 19/12-1 11/12=8/12=2/3