5000+45000 =50000
20000+10000 =30000
125000-20000 =105000
78000+12000 =90000
900000-600000 =300000
290000+310000 =600000
77000-21000 =56000
58000-45000 =13000
45000-11000 =34000
5000+45000 =50000
20000+10000 =30000
125000-20000 =105000
78000+12000 =90000
900000-600000 =300000
290000+310000 =600000
77000-21000 =56000
58000-45000 =13000
45000-11000 =34000