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Mathematics, 08.11.2020 21:40 kyrabrown33

Let f(x) be defined for any positive integer x greater than 2 as the sum of all prime numbers less than x. For example, f(4)=2+3=5 and f(8)=2+3+5+7=17. What is the value of f(86)−f(82)? (A) 3 (B) 4 (C) 47 (D) 59 (E) 83

The answer is not B pls remember this

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