1. Oblicz: (tylko proszę róbcie krok po kroku , pogróbione są liczby całkowite)
a) 13 1/2 - 23/8 - 55/6 + 6 3/4 + 1 2/3 =
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13 1/2 - 2 3/8 - 5 5/5 + 6 3/4 + 1 2/3 = 13 4/8 - 2 3/8 + 6 6/8 + 1 2/3 = 11 1/8 + 6 6/8 + 1 2/3 = 17 7/8 + 1 2/3 = 17 21/24 + 1 16/24 = 18 45/24 = 19 21/24 = 19 7/8
liczę na naj :)