zapisz za pomocą nieskracalnego ułamka zwykłego a) jakie to częsci godziny : 45 min 25 min 1 s 15 s b) jakieto czesci kilometra: 200m 8m 125 cm 1500 cm
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a) 45min = 45/60
25 min = 25/60
a) 45 min = 3/4, 25 min = 5/12, 1s = 1/3600, 15s = 1/240
b) 200m = 1/5, 8m = 1/125, 125 cm = 1/800, 1500cm = 3/200