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Mathematics 16 Online
OpenStudy (anonymous):

7) Find S25 for -7+ -2 + 3 + 8 +... 8) Find S25 for 1/2+1+3/2+2+... 9) Find S10 for 2 + 5 + 8 +... 10)FindS10 for-1+-7+-13+-19+...

OpenStudy (anonymous):

@iGreen

OpenStudy (igreen):

#7 113

OpenStudy (anonymous):

thank you @iGreen

OpenStudy (igreen):

#9 29

OpenStudy (igreen):

I don't know about 8 and 10..sorry.

OpenStudy (anonymous):

no no its okay, You helped me alot. Thaknyou every time @iGreen

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