Jawabanmu

2014-01-07T07:37:00+07:00
100 m² = 1 are
maka, :
41200 m² = 412 are
300 dam² = 30000 m² = 300 are
3 hektare = 300 are
jadi, 41200 m² + 300 dam² + 3 hektare
     = 412 are + 300 are + 300 are
     = 1012 are
coba di check