3 years ago

Find the sum: -1 + 2 + 5 + ... + 20

1 answer:

6 0

26 is the correct answer

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Ad libitum [116K]

It would be: -2/3 * -9/10 = 18/30 = 3/5

So, option B is your answer.

Hope this helps!

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Zanzabum

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