Jawabanmu

2014-02-11T16:33:11+07:00
1250+600-775=1850-775=1075
292-227=65
2014-02-11T16:40:16+07:00
1250+600-775 = 1250 + 600 = 1850
                      = 1850 - 775 =1075
292-227 = 65