Tentukan hasil dari 1+3+5+7+9+...+99. tuliskan caranya!SMP kelas 7.... Question from @Athilaramdani

Mapel : Matematika
Kelas : VII SMP
Materi : Aritmatika dasar

Pembahasan :
1 + 3 + 5 + ... + 2n - 1 = n²
1 + 3 + 5 + ... + 99 = 50²
1 + 3 + 5 + ... + 99 = 2500

1 votes Thanks 2

Komentar

Bab Pola Bilangan
Matematika SMP Kelas VII

1 + 3 + 5 + ... + 97 + 99 = ?
(1 dan 90)
1 + 99 = 100
3 + 97 = 100
5 + 95 = 100
7 + 93 = 100
9 + 91 = 100
------- +
500
seluruh = (1 dan 90) + (10 dan 80) + (20 dan 70) + (30 dan 60) + (40 dan 50)
seluruh = 500 + 500 + 500 + 500 + 500
seluruh = 2.500

1 votes Thanks 1

Verified answer

Verified answer

Bikin dialog bahasa inggris bebas yang mencakup :• To get attention• to check if we are understood• To show appreciation to others• to tell what we or other people think of something√ dijamin 1 orang poinnya 20√ jawabnya harus benar

Bikin dialog bahasa inggris bebas yang mencakup :• To get attention• to check if we are understood• To show appreciation to others• to tell what we or other people think of something√ dijamin 1 orang poinnya 20√ jawabnya harus benar

Jelaskan antara bunga teratai dengan tumbuhan di sekitarnya

Buat 3 interaksi makhluk hidup Dengan lingkungan pada ekosistem kolamcontoh :antara ikan dengan plankton serta tanaman pada kolam

1. the bank is on the left, next to the post office, across from the tax office. 2. the post office is next to the bank, across from the tax office3. the tax office... 4. the School... 5. the hospital... 6. the police station...

Recommend Questions

Life Enjoy

Get in touch

Social