Contoh 3 1. 2 = 2 + 4. = 2 2 2. 2 = 2 2+1 + = 1 3 +1 + 2 2+1 3 +1 2 2 3 = + 5 1 3 = + 2 5 3. −2 −3 = −2 −3+1 + 2 −3+1 2 = 2 + = −2 + 5 Klik untuk penjelasan