Odpowiedź:
1. a) 5⅔ + 2¾ = 5 8/12 + 2 9/12 = 8 5/12
b) 6½ - 2 7/9 = 6 9/18 - 2 14/18= 3 13/18
c) 1⅕ • 2 2/9 = 1 9/45 • 2 10/45 = 2⅔
d) ⅖ : 8 = ⅖ • ⅛ = 1/20
2. a) 9 1/12
b) 1 1/4
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Odpowiedź:
1. a) 5⅔ + 2¾ = 5 8/12 + 2 9/12 = 8 5/12
b) 6½ - 2 7/9 = 6 9/18 - 2 14/18= 3 13/18
c) 1⅕ • 2 2/9 = 1 9/45 • 2 10/45 = 2⅔
d) ⅖ : 8 = ⅖ • ⅛ = 1/20
2. a) 9 1/12
b) 1 1/4