名前( ) @kawamoto.biz (1) 5 g = □ mg (2) 2.8 mg = □ g (3) 3 ha = □ km2 (4) 2 m3 = □ dL (5) 7.2 cm3 = □ dL 5000 | 0.0028 | 0.03 | 20000 | 0.072
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名前( ) @kawamoto.biz (1) 5 g = □ mg (2) 2.8 mg = □ g (3) 3 ha = □ km2 (4) 2 m3 = □ dL (5) 7.2 cm3 = □ dL 5000 | 0.0028 | 0.03 | 20000 | 0.072
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