Nur WindaProfessional
Tolong dikerjakan Pakai Cara Jam 12 malam ini dikumpulin, Terimakasih Banyak
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aplikasi pola bilangan
penomoran
• sisi kiri jalan bernomor ganjil
nomor rumah yg terbentuk :
1, 3, 5, 7, …
a = suku pertama = 1
b = beda = U2 – U1 = 3 – 1 = 2
Un = a + (n – 1)b
Un = 1 + 2(n – 1)
Un = 1 + 2n – 2
Un = 2n – 1
• sisi kanan jalan bernomor genap
nomor rumah yg terbentuk :
2, 4, 6, 8, ...
a = 2
b = 4 – 2 = 2
Un = 2 + 2(n – 1)
Un = 2 + 2n – 2
Un = 2n
Pola bilangan berbeda pada kedua sisi jalan
• kiri → Un = 2n – 1
• kanan → Un = 2n