Jawaban:
a = 25
b = 3
Sn= n/2(2a+(n-1)b)
S8 = 8/2.(2.25 + (8-1).3)
= 4(50+7.3)
= 4(50+21)
= 4(71)
= 284 KURSI
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Jawaban:
a = 25
b = 3
Sn= n/2(2a+(n-1)b)
S8 = 8/2.(2.25 + (8-1).3)
= 4(50+7.3)
= 4(50+21)
= 4(71)
= 284 KURSI