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4 kg 4 dag = 404 dag
3 dm = 300 mm
0,428 km = 428 m
1,86 m + 34 cm + 0,5 dm = 2,25 m
Zadanie 2.
Oblicz wartość wyrażenia:
3dm= 300mm
0,428km= 428m
1,86m + 34cm + 0,5dm = 1,87m + 34cm = 2,21 m.
a) 5 2/5 - 1,4 * 1 = 5 2/5 - 1,4 = 4
b) 3,6 + 2 2/5 : 1,8 = 1 1/3 + 3,6 = 4 28/30