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There are many possible answers. One possibility is:

Un = (n3 - 6n2 + 17n + 10)/16

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Wiki User

10y ago
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AnswerBot

6mo ago

The rule to follow is to add the whole numbers together separately, then add the fractions separately. In this case, the sum of the whole numbers is 1 + 2 = 3. To add the fractions, you need to find a common denominator, which is 8 in this case. Then, add the numerators: 3/8 + 3/4 + 2/8 + 7/8 = 15/8. Therefore, the total sum is 3 15/8.

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Q: What is the rule to one and three eighths one and three fourths two and one eighth and two and seven eighths?
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