| -376904+(-810132+508562)=-678474 | -41920-(391616-890000)=456464 |
| 100000-(-215810+685810)=-370000 | 90868-(-441832+532700)=0 |
| 666221-(660000-420000)=426221 | 468997-(343000+799486)=-673489 |
| 97805-(152625+919521)=-974341 | -93300+(-30299-690000)=-813599 |
| -186069+(265864-110000)=-30205 | -533826-(-53753-705857)=225784 |
| -260000+(-408343-67862)=-736205 | 467667+(-589609-857010)=-978952 |
| -699152-(96482+199345)=-994979 | -871283-(532628-442226)=-961685 |
| -490000-(3801+306199)=-800000 | 718574+(955684-808996)=865262 |
| -961235+(400208-106077)=-667104 | -100000-(-958037+469750)=388287 |
| -825964-(-790000-0)=-35964 | 438886-(-79367-242964)=761217 |
| 580000-(1000000-998624)=578624 | -522338-(-585016+132905)=-70227 |
| 406386+(-338529+582143)=650000 | 728039-(-400000+386255)=741784 |
|