oblicz:
a) 5 3/5 + 11 2/7 b) 6 2/9 - 2 2/3 c) 8 - 4 7/12 pomocy
a) 5 3/5 + 11 2/7 b) 6 2/9 - 2 2/3 c) 8 - 4 7/12 pomocy
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Odpowiedź:
5 i 3/5 + 11 i 2/7 = 5 i 21/35 + 11 i 10/35 = 16 i 31/35
6 i 2/9 - 2 i 2/3 = 6 i 2/9 - 2 i 6/9 = 5 i 11/9 - 2 i 6/9 = 3 i 5/9
8 - 4 i 7/12 = 7 i 12/12 - 4 i 7/12 = 3 i 5/12