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Message | User | Date(yyyy-mm-dd) |
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math | jimelyn | 2008-03-11 | Click here to register. |
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| start with two unequal piles of coins.shift enough coins from the larger pile to the smaller one so that the smaller one doubles in size.continue to change the piles in this way. | | |
| danielle | 2008-03-14 | Click here to register. |
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 | i dont know |
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