Jawaban:
90 dan 552
Penjelasan dengan langkah-langkah:
pola bilangan persegi panjang
Un = n (n+1)
U9 = 9 (9+1) = 9(10) = 90
U23 = 23 (23+1) = 23(24) = 552
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Jawaban:
90 dan 552
Penjelasan dengan langkah-langkah:
pola bilangan persegi panjang
Un = n (n+1)
U9 = 9 (9+1) = 9(10) = 90
U23 = 23 (23+1) = 23(24) = 552