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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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