Wpisz odpowiednie jednostki:7cm=70?,5dm=50?,2?=200mm,4m=400?,20?=2000cm,4cm=?mm,20dm35cm=?cm52m89cm=?cm,30m3cm=?cm,10km52m=?m,2km15m=?m
źródło:
a) 7cm = 70mm b) 2dm = 20cm = 200mm c) 4m = 40dm = 400cm d) 20m = 200dm = 2000cm e) 4cm = 40mm f) 20dm 35 cm = 200cm + 35cm = 235cm g) 52m 89cm = 520dm + 89cm = 5200cm + 89cm = 5289cm h) 30m 3cm = 300dm + 3cm = 3000cm + 3cm = 3003cm i) 10km 52m = 10000m + 52m = 10052m j) 2km 15m = 2000m + 15m = 2015m
Już chyba wszystko jasne.