- Penjumlahan pada bilangan bulat
2 + 3 = 5 2 + (-3) = -1 -2 + 3 = 1 -2 + (-3) = - 5
- Pengurangan pada bilangan bulat
2 – 3 = -1 2 - (-3) = 5 -2 – 3 = -5 -2 - (-3) = 1
- Perkalian pada bilangan bulat
2 x 3 = 6 2 x (-3) = -6 -2 x 3 = -6 -2 x (-3) = 6
kesimpulannya :
- Bilangan positive x Bilangan positive = Bilangan positive
- Bilangan positive x Bilangan negative = Bilangan negative
- Bilangan negative x Bilangan positive = Bilangan negative
- Bilangan negative x Bilangan negative = Bilangan positive
- Pembagian pada bilangan bulat
6 : 2 = 3 6 : (-2) = -3 -6 : 2 = -3 -6 : (-2) = 3
kesimpulannya :
- Bilangan positive : Bilangan positive = Bilangan positive
- Bilangan positive : Bilangan negative = Bilangan negative
- Bilangan negative : Bilangan positive = Bilangan negative
- Bilangan negative : Bilangan negative = Bilangan positive