Odpowiedzi

2010-03-16T16:20:56+01:00
A)10 cm= 10/100m= 1/10m
15cm= 15/100m=3/20m
17 cm= 17/100m
25 cm= 25/100m=¼m
b)40 cm= 40/100m= 4/10m=⅖ m
50 cm= 50/100m= ½m
63cm= 63/100m
90 cm= 90/100m= 9/10m
8 3 8
2010-03-16T16:20:58+01:00
A)10 cm, 15cm,17 cm,25 cm b)40 cm,50 cm, 63cm, 90 cm.

10/100= 1/10
15/100= 3/20
17/100
25/100=1/4
40/100=4/10= 2/5
50/100=1/2
63/100
90/100= 9/10
9 3 9
2010-03-16T16:26:33+01:00
A)10/100 = 1/10
15/100 = 3/20
17/100
25/100 = 1/4
b)40/100 = 2/5
50/100 = 1/2
63/100
90/100 = 45/50 = 8/10 = 4/5
4 2 4