Question

0.44平方公里等于多少亩?

Answer 1

0.44（顷芦km)^2=0.44*1000^2*1000^2m^2
=440000m^2
=440000×9平滑野方尺
=440000×9/100平方丈雀让带
=4400×9/60亩
=660亩