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Mathematics 13 Online
OpenStudy (anonymous):

...

OpenStudy (goformit100):

-6

OpenStudy (anonymous):

\[\sum_{n=1}^4(n+4) = (1+4) +(2+4)+(3+4)+(4+4)\]

OpenStudy (anonymous):

first term is n=1 n+4=1+4=5 last term is n=4 n+4=4+4=8 5+6+7+8=26

OpenStudy (anonymous):

lan amın oğlu medalı niye ona veriyon bizde aynını yazmadıkmı??

OpenStudy (anonymous):

What?

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