Without adding, find the sum of the following: (a) 1 + 3 + 5 + 7 = (b) 1 + 3 + 5 + 7 +9=..5 (c) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 1 (d) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 (e) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29
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65 x
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