名前(           ) @kawamoto.biz
(1) 2.8 mm = □ m


(2) 2 g = □ mg


(3) 7.2 mg = □ g


(4) 5 ha = □ a


(5) 3 km2 = □ ha














0.0028 | 2000 | 0.0072 | 500 | 300
名前(           ) @kawamoto.biz
(1) 2.8 mm = □ m


(2) 2 g = □ mg


(3) 7.2 mg = □ g


(4) 5 ha = □ a


(5) 3 km2 = □ ha














0.0028 | 2000 | 0.0072 | 500 | 300