December 2018 1 9 Report
Pomocy!
Wykonaj działania. W wyniku, jeżeli istnieje możliwość, to wyłącz całości i skróć.
a)4 3/5 + 5/7
8 2/3 + 6 5/8
7 7/8 + 4 3/4
8 5/6 + 9 7/8
b)7/9 - 2 4/9
7 4/7 + 8 3/4
9 2/3 + 6 8/9
5 7/9 + 7 5/6
c) 9 - 2 4/9
6 1/5 - 2 4/7
14 2/3 - 4 18/21
23 2/15 - 6 7/10
d) 11 - 3 2/11
14 3/10 - 3/4
13 1/6 - 8 3/7
21 5/12 - 7 13/15

Dam NAJ! :)
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