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Verified answer
Jawabdere aritmetika
a = 51
b = 3
un = 3n + 48
un = 147
3n + 48 = 147
3n = 99
n = 33
s33 = 33/2 (51 + 147)
s33 = 3.267
Verified answer
A = 51b = 3
147 = 51 + ( n - 1 ) 3
147 = 51 + 3n - 3
147 = 48 + 3n
147 - 48 = 3n
99 = 3n
n = 33
S 33 = 33/2 ( 2 × 51 + ( 33 - 1 ) 3 )
= 3.267
jawabannya = C. 3.267
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