a)1cm2=.........mm2 b)1dm2=.......cm2
8cm2=.........mm2 23dm2=........cm2
6,3cm2=.........mm2 4,7dm2=........cm2
c)1m2=........cm2 d)1km2=.........m2
7m2=........cm2 20km2=.........m2
2,5m2=........cm2 3,5km2=........m2
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a)
1cm2= 100 mm2 b) 1dm2= 100 cm2
8cm2= 800 mm2 23dm2= 2300 cm2
6,3cm2= 630 mm2 4,7dm2= 470 cm2
c)
1m2= 100 cm2 d) 1km2= 1 000 000 m2
7m2= 700 cm2 20km2= 20 000 000 m2
2,5m2= 250 cm2 3,5km2= 3 500 000 m2
a)1cm2= 100 mm2 b) 1dm2= 100 cm2
8cm2= 800 mm2 23dm2= 2300 cm2
6,3cm2= 630 mm2 4,7dm2= 470 cm2
c)1m2= 100 cm2 d) 1km2= 1 000 000 m2
7m2= 700 cm2 20km2= 20 000 000 m2
2,5m2= 250 cm2 3,5km2= 3 500 000 m2