Question

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Answer 1

Răspuns:

Explicație:

a)A=450 cm²=450:10000=0,045 m²

b)A=7200dm²=7200:100=72m²

c)A=25 ari=25 dam²=25•100=2500 m²

d)A=0,006 dam²=0,006•100=0,6m000=8500m²

e)A=925000 mm²=925000:1000000=0,925 m²

f)A=0,85 ha=0,85hm²=0,85•10=8,5m²

h)A=0,3hm²=0,3•10000=3000m²

i)A=2,5km²=2,5•1000000=2500000m²

j)A=0,07 Mm=70000m²