63.9+ (450 +90) = 603.9
3.5+ (456-400) = 59.5
1000 - (67 +33):1 = 900
5*(567-558) + 100 = 895
9
36:6 + (590-530) = 66
63.9+ (450 +90) = 603.9
3.5+ (456-400) = 59.5
1000 - (67 +33):1 = 900
5*(567-558) + 100 = 895
9
36:6 + (590-530) = 66