December 2018 1 7 Report
Zamień jednostki długości, masy, czasu i siły.

a) 3,5km=...m 150cm=...m
b) 45,8kg=...dag 290mg=...g
c) 1,3h=...s 40s=...min
d) 2,7kN=...N 420N=...kN


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