Zamień na
a)cm2
b) m 2 : 400 dm2 , 5000 cm2, 2ha, 7a,
c) ary : 300m2, 800 dm2, 45 000 cm2 , 18 ha ,
d) hektary: 30 000m2, 2 km2, 500 000 dm 2, 112 a
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b)400dm2=4m2
5000cm2=0,5m2
2ha=2000m2
7a=700m2
c)300m2=3a
800dm2=8a
45000cm2=450a
18ha=1800a
d)30000m2=30ha
2km2=200ha
500000dm2=0,5ha
112a=1,12ha
b) 400dm2 = 4m2 / 5000cm2=0,5 m2 /2ha = 20000m2 / 7a = 700m2
c)300m2= 3 a / 800dm2= 0,08a / 45000cm2 = 0,045 ar/18 ha = 1800a
d)30 000m²=3ha/ 2km²=200ha /500 000dm²=0,5ha /112a=1,12ha