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15 x 0.5 + 0.5 = 8 8 x 1 + 1 = 9 9 x 1.5 + 1.5 = 15 15 x 2 + 2 = 32 32 x 2.5 + 2.5 = 82.5 82.5 x 3 + 3 = 250.5
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Th...
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