| -714888+(920417-672732)=-467203 | -158579+(464804-506225)=-200000 |
| -50826-(290000-847584)=506758 | -892802-(-345315-817999)=270512 |
| -988912-(506578-709193)=-786297 | 668529-(-348000+876704)=139825 |
| 144574+(-553000-163173)=-571599 | -448026-(34131+206454)=-688611 |
| -76099-(-251833+375734)=-200000 | -360000+(-208084+728084)=160000 |
| -895162-(-356872-304734)=-233556 | 438886-(-79367-242964)=761217 |
| -190000+(-909302+280567)=-818735 | 695593+(-51422+269609)=913780 |
| 849255-(474134-14286)=389407 | 286109-(190080+670000)=-573971 |
| 573472-(-768000+581999)=759473 | -190000-(184181+429364)=-803545 |
| 680000+(313988-734090)=259898 | 586652+(-943448+219151)=-137645 |
| -390000-(-755507+131029)=234478 | 457883+(826878-986439)=298322 |
| -97964+(-125991-570000)=-793955 | 491893-(70000-429753)=851646 |
