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
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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
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