2. Model Mobil Bergerak 2 + 3 = 5 0 1 2 3 4 5 −2 + 3 = 1 −4 −3 −2 −1 0 1 2 −2 + −3 = −5 −5 −4 −3 −2 −1 0 1 3 + −5 = −2 −2 −1 0 1 2 3 4