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A unit for practicing the weight and length of mathematics in the first volume of the third grade of primary school.
1 kg = () g 5000 g = () kg

200g () 5kg 1kg () 50g fill in the size and quantity.

2 meters = () decimeter = () cm 80 cm = () decimeter 40 decimeter = () meter

6 meters () 70 decimeters 80 centimeters () 9 decimeters 8 meters () 700 centimeters fill in the size and quantity.

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