2. Weigh the mass of a heavy object in kilograms, and express it in kilograms; The mass of lighter objects is expressed in grams and g, for example, an apple weighs 200 g; Weight of a vehicle 1000kg.
3, a catty =500 grams? One or two =50 grams
1. Pour milk into an empty bottle with a cup. If you pour 5 cups of milk, the bottle will weigh 750 grams. If you pour 7 cups of milk, the bottle weighs 950 grams. How much does a glass of milk weigh? How much does an empty bottle weigh?
The store sent five boxes of apples, and after each box sold 3 kilograms, the remaining five boxes of apples were exactly the same as the original two boxes. How many kilograms of apples did the store deliver?