One snowball on the ice lost two-thirds of its volume in one hour and two-thirds of its remaining volume in the next hour. At this point, the volume of the snowball is $$\frac{1}{5} m^3$$. What was the volume of the snowball at first?
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A$$1.6m^3$$
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B$$1.8m^3$$
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C$$2m^3$$
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D$$2.2m^3$$
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E$$2.4m^3$$
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正确答案: B