The inflated
The inflated gymnastic ball should have a diameter of 65 cm. How many times do we have to pump air into a full-blown ball with a bicycle inflator to inflate it if the working volume of the inflator is a cylinder with an inner diameter of 2 cm and a height of 25 cm? (round the result to tens).
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arithmeticsolid geometryUnits of physical quantitiesGrade of the word problem
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