6. Without adding, find the sum.
(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15
(ii) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29
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Answered by
0
Answer:
1)64
2)225
Step-by-step explanation:
which chapter is this?
Answered by
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Step-by-step explanation:
(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64
(i) 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 + 21 + 23 + 25 + 27 + 29 = 225
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