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What mathematical knowledge does a flowerpot made of plastic bottles have?
The calculation formula of flowerpot volume is as follows:

Let the volume of the empty flowerpot be V-pot (cm3) and the mass of the empty flowerpot be m(g). When an empty flowerpot is filled with water, the volume of water is V-pot, and the flowerpot filled with water is weighed as m? (g), then what is the mass of water poured into the empty flowerpot? -m(g) is known from the formula: m=ρV, and ρ water = 1(g/cm3), then:

V basin =V water =m water/ρ water =(m? -cubic meters)