Jawabanmu

2014-08-10T22:07:51+07:00
2400 - {6000 : 20} + {40 x (-75)} = 2400 - 300 - 3000
                                                = -900
semoga membantu
2400 - (6000 : 20) + { 40 x (-75)} = 2400 - 300 - 3000
2014-08-10T22:24:44+07:00