Materi Penjumlahan bilangan bulat
Presentation
•
Mathematics
•
6th Grade
•
Hard
YUANITA YUYUN
FREE Resource
4 Slides • 1 Question
1
Sifat-sifat Penjumlahan Bilangan Bulat
by Eti Kurniawati
2
1. Berlaku sifat tertutup
A = -6
B = 10
maka a + b = -6 + 10 = 4
-6, 10, dan 4 merupakan bilangan bulat
3
2. Berlaku sifat komutatif atau pertukaran
a + b = b + a
Contoh
5 + -2 = 3
-2 + 5 = 3
Hasil yang diperoleh sama berarti berlaku sifat komutatif
4
Sifat-sifat Penjumlahan Bilangan Bulat
Sifat-sifat penjumlahan bilangan bulat
Berlaku sifat tertutup
Berlaku sifat komutatif atau pertukaran
Berlaku sifat asosiatif atau pengelompokan
Mempunyai unsur identitas penjumlahan
5
Multiple Choice
4 - (-2) = ....
2
4
6
8
Sifat-sifat Penjumlahan Bilangan Bulat
by Eti Kurniawati
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