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SIFAT SIFAT OPERASI HITUNG BILANGAN BULAT

1. Sifat Komutatif/Pertukaran

Jika a dan b bilangan bulat maka berlaku :

a + b = b + a  dan  a x b = b x a

 Contoh:

 25 + 14 = 14 + 25

 9 x 5 = 5 x 9

 2. Sifat asosiatif / pengelompokan

 Jika a, b, dan c bilangan bulat maka berlaku:

(a + b) + c = a + (b + c)  dan  (a x b) x c = a x ( b x c)

Contoh:


4 + (5 + 10) = (4 + 5) + 10

8 + (9+ 7) = (8 + 9) + 7

8 x (7 x 1) = (8 x 7) x 1 

3. Sifat penyebaran / distributif   

 Jika a, b, dan c bilangan bulat maka berlaku:

a x (b + c) = (a x b) + (a x c)

a x (b - c) = (a x b) - (a x c)

Contoh:

(4 + 7) x 8 = 88

 (4 x 8) + (7 x 8) = 88

 (24 + 32) : 4 = 14

(24 : 4) + (32 : 4) = 14


4. Penjumlahan, perkalian dan pembagian dengan bilangan 0 (nol)

5 + 0 = 5
1000 + 0 = 1000
12 x 0 = 0
10000 x 0 = 0

  

   




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