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primary 6 | Maths | Data Analysis
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Coral
Coral

primary 6 chevron_right Maths chevron_right Data analysis chevron_right Singapore

How to do part b)? Thank you

Date Posted: 3 years ago
Views: 219
sstrike
Sstrike
3 years ago
dot number ⇨ fig n = 1+2+3+...+n
n → even number
(n÷2)×(1+n)
n → odd number
p = n-1
(p÷2)×(1+p) + n

n = 15 (Ans)

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Winston Lin
Winston Lin's answer
29 answers (A Helpful Person)
Gauss Summation
done {{ upvoteCount }} Upvotes
clear {{ downvoteCount * -1 }} Downvotes
Winston Lin
Winston Lin's answer
29 answers (A Helpful Person)
Gauss Summation