September 2018 2 17 Report
Suatu deret aritmetika mempunyai suku ketiga -11 dan jumlah dua puluh suku pertama 230. Jumlah sepuluh suku pertama sama dengan...
A. -40
B. -35
C. -30
D. -25
E. -20
Pls jawab secepat mungkin ya
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