2,7km=...............m=.......cm 3mm=...................m.......km 3,9t=.................kg............g=........mg 54g = ......... kg= ............g prosze o pomoc
2,7km=...............m=.......cm
3mm=...................m.......km
3,9t=.................kg............g=........mg
54g = ......... kg= ............g
prosze o pomoc