Odpowiedź:
(1 1/3 + 2,5) × (5 1/5 - 3,7) = 3 15/30 × 1 1/2 = 45/20 = 2 5/20 = 2 1/4
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Odpowiedź:
(1 1/3 + 2,5) × (5 1/5 - 3,7) = 3 15/30 × 1 1/2 = 45/20 = 2 5/20 = 2 1/4