Beni menjumlahkan nomor-nomor halaman buku yang terdiri dari 96 halaman adalah 4.672. Ternyata terjadi kekeliruan, ada 1 halaman yang dihitung 2 kali. Halaman berapakah itu?

Pertanyaan

Grade: Education Mata Pelajaran: matematika

Ditanyakan oleh: USER4661

173 Dilihat 173 Jawaban

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Jawaban (173)

USER7914

Jawaban Terbaik

(406)

Materi kelas 9, Barisan dan Deret, Deret Aritmetika

[tex] S_{n} = \frac{n}{2} (a+U_{n})[/tex]
[tex] S_{96} = \frac{96}{2} (1+96) = 4.656[/tex]

Halaman yang dihitung 2 kali = Selisih jawaban salah dengan yang benar
= 4.672 - 4.656 = 16

Jadi, halaman yang dihitung 2 kali adalah halaman 16.

*Semoga membantu, jawaban terbaiknya ditunggu :v*

Dijawab pada tanggal 30 Agustus 2025

Beni menjumlahkan nomor-nomor halaman buku yang terdiri dari 96 halaman adalah 4.672. Ternyata terjadi kekeliruan, ada 1 halaman yang dihitung 2 kali. Halaman berapakah itu?

Pertanyaan

Jawaban (173)

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