Odpowiedź:
3/4 + 5/6 = 9/12 + 10/12 = 19/12 = 1 7/12
17/21 - 3/14 = 34/42 - 9/42 = 25/42
5/6 - 4/15 = 25/30 - 8/30 = 17/30
Szczegółowe wyjaśnienie:
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Odpowiedź:
3/4 + 5/6 = 9/12 + 10/12 = 19/12 = 1 7/12
17/21 - 3/14 = 34/42 - 9/42 = 25/42
5/6 - 4/15 = 25/30 - 8/30 = 17/30
Szczegółowe wyjaśnienie: