Question

zapisz jakie to czesci metra i skroculamki jesli to mozliwe 10cm 15cm 17cm 25cm b40cm 50cm 63cm 90cm zapisz jakie to czesci godziny i skroc ulamki jesli to mozliwe 2 min 6 min 7min b 20min 25min 45min

Answer 1

10cm=10/100m=1/10 m

15 cm=15/100m= 3/20

17 cm=17/100

25 cm=25/100m=1/4 m

40cm=40/100m=4/10m=2/5m

50 cm=50/100m=1/2m

63 cm=63/100m

90 cm=90/100m=9/10m

 

 

2min=2/60h=1/30h

6min=6/60h=1/10h

7 min=7/60h

20min=20/60h=1/3h

25min=25/60h=5/12h

45min=45/60h=9/12h=3/4h