robin37 robin37

07-06-2018
Mathematics

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Find the common difference of the arithmetic sequence ?

Find the common difference of the arithmetic sequence class=

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altavistard altavistard

07-06-2018

Think: 25 less what number is 18?
18 less what number is 11?
11 less what number is 4?

Note that "less" indicates "negative" or "subtraction."

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