proszę o dwie odpowiedz na zad6.7

Zad. 6 a) 1/2cm=5mm 7(i)1/2cm=75mm 1/5m=20cm 3(i)1/5m=320cm 1/4km=250m 3(i)1/4km=3250m b)1/2kg=50dag 6(i)1/2kg=650dag 1/10kg=100g 5(i)1/10kg=5100g 1/2t=500kg 30(i)1/2t=30500kg Zad. 7 a) 1/3h=20min 1(i)1/3h=80min b) 1/4doby=6h 2(i)1/4doby=54h c) 1/2min=30s 2(i)1/2min=150s d) 1/3 kwadransa = 5min 4(i)1/3 kwadransa = 65min