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Rozwiązane

oblicz 8/3 - 8/9
7/4 - 7/2
2/8 - 2/7

Odpowiedź :

8/3 - 8/9 = 24/9 - 8/9 = 16/9 = 1 i 7/9

7/4 - 7/2 = 7/4 - 14/4 = -7/4 = -1 i 3/4

2/8 - 2/7 = 14/56 - 16/56 = -2/56 = -1/28

Odpowiedź:

8/3 - 8/9 = 24/9 - 8/9 = 16/9 = 1 i 7/9

7/4 - 7/2 = 7/4 - 14/4 = -7/4 = - 1 i 3/4

2/8 - 2/7 = 14/56 - 16/56 = -2/56 = - 1/28

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