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Verified answer
Bab Deret AritmatikaKelas VIII
A = 2000
B = 2001-2000 = 1
U27 :
= a + 26b
= 2000 + 26
= 2026
S27 :
= n/2 (a + Un)
= 27/2 (2000 + 2026)
= 13,5 x 4026
= 54.351