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Verified answer
3 9 18 30 45 636 9 12 15 18
3 3 3 3
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Verified answer
Kelas 8 MatematikaBab Barisan dan Deret Bilangan
U1 = 3 = 1 . 3
U2 = 9 = 3 . 3
U3 = 18 = 6 . 3
U4 = 30 = 10 . 3
Polanya = 1/2 . n . (n + 1) . 3
Suku ke 6 = 1/2 . 6 . (6 + 1) . 3
Suku ke 6 = 3 . 7 . 3
Suku ke 6 = 63 batang korek
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