Dasar - Dasar Matematika (74)

Dasar - Dasar Matematika (74)

Oleh: Suryadi

Director of Education Apenso Indonesia

Sifat Pengurangan Bilangan Bulat :

Jika a, c dan d bilangan- bilangan bulat, maka:

(a + c) - d = a + (c - d)

Contoh :

Bila a = 5, c = - 4, dan d = - 3, maka :

(5 + (- 4)) - (- 3) = 5 + ((- 4) - (- 3))

(5 + (- 4)) - (- 3) = 1 + 3 = 4

5 + ((- 4) - (- 3)) = 5 + (- 4 + 3) = 5 - 1 = 4