四年级下册数学小数计算专项训练
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简介
四年级下册数学期末专题训练 用小数计算专项训练(一) 5元6角2分+3元零9分 =5.62元+3.09元 =8.71元 12kg-9kg80g =12kg-9.08kg =2.92(kg) 9.3元-8元7角5分 =9.3元-8.75元 =0.55元 7km490m+2km10m =7.49km+2.01km =9.5km 10公顷6000m²-4公顷900m² =10.6公顷-4.09公顷 =6.51公顷 8.46km²+54公顷 =8.46km²+0.54km² =9km² 3kg40g+5kg60g =3.04kg+5.06kg =8.1kg 1t30kg+980kg =1.03t+0.98t =2.01t 7km50m-3km500m =7.05km-3.5km =3.55km 10吨-590千克 =10吨-0.59吨 =9.41吨 100kg+3kg980g =100kg+3.98kg =103.98kg 12.09m²-2m90dm² =12.09m²-2.9m² =9.19m² 4.6km-2km860m =4.6km-2.86km =1.74km 4角7分+5元3角 =0.47元+5.3元 =5.77元
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