| 643400+(60000-851584)=-148184 | -574204+(938098+86106)=450000 |
| -509007-(-970007+761000)=-300000 | -260000-(588057-623827)=-224230 |
| -540000+(-183511+160247)=-563264 | 497737-(978289-26000)=-454552 |
| -432116+(732280-929328)=-629164 | 380409-(907653-111447)=-415797 |
| -654832+(-190000+492442)=-352390 | 845928-(810000+142054)=-106126 |
| 114374-(-115500-300068)=529942 | -61635+(-915317+616952)=-360000 |
| 747256+(-615475+592449)=724230 | -580483-(-750000+59517)=110000 |
| 666600-(130000+990000)=-453400 | 341556+(-819800+955939)=477695 |
| 512641+(-80724-855748)=-423831 | -385118-(293216+63694)=-742028 |
| -97964+(-125991-570000)=-793955 | -786340-(-420000+29660)=-396000 |
| 514300+(162455-266755)=410000 | 581388-(-236102+190000)=627490 |
| -360000-(-329126-536321)=505447 | 48700-(-142493-347803)=538996 |
