What is the sum of the multiples of 6 between 6 and 999?
here's what i did:
n = 996/6...
![Mathematics](/tpl/images/cats/mat.png)
Mathematics, 03.02.2020 18:01, itsmemichellel
What is the sum of the multiples of 6 between 6 and 999?
here's what i did:
n = 996/6 = 166?
d = 6
t1 = 6
sn = n/2 [2 (t1) + (n-1)d]
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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