Math, asked by 3ddelano, 10 months ago

Find the sum of the series,
1, 2, 3, 6, 7, 8, 11,..... upto 60 terms.​

Answers

Answered by narsingsudha5
1

Answer:

Sum of the series

Step-by-step explanation:

Series:1,2,3,6,7,8,11,12,13,16,17,18,21,22,23,26,27,28,31,32,33,36,37,38,41,42,43,46,47,48,51,52,53,56,57,58,61,62,63,66,67,68,69,71,72,73,76,77,78,81,82,83,86,87,88,91,92,93,96,97,98

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