Pomóżcie, pilnie na jutro Zamiana jednostek :   2m = ... cm 30cm = ... m 20km = ... mm 2mm = ... m 3h = ... min 2min = ... h 1h = ... s 1s = ... h 1tydzień - ... min 2min = ... s  

2m=200 cm 30cm=0,0003m 20km=20000m=2000000cm=200000000mm 3h=(3*60)=180min 2min=2/60h 1h=60min=360s 1s=1/3600h 1tydzień=   (24*60)=1440  - 1 dzień, 7 dni=1440*7=10080godzin=604800minut 1 tydzień=604800min 2min=120s   :D