| -209509-(87075+428000)=-724584 | 374997+(-989280-200000)=-814283 |
| -699293-(-856390+364915)=-207818 | -224843-(400000+264345)=-889188 |
| 292815+(-64313+288498)=517000 | -934669-(-328134-506535)=-100000 |
| -700000+(-146457+75203)=-771254 | 816123-(567686+382816)=-134379 |
| 100000-(-215810+685810)=-370000 | -472145+(-134083+104447)=-501781 |
| -200000+(895816-618408)=77408 | -149585-(-92899+594496)=-651182 |
| 680000+(313988-734090)=259898 | 104620+(-949017+712804)=-131593 |
| 173743-(-572523-100095)=846361 | -126000+(-11000+197000)=60000 |
| 437628-(-700416+291156)=846888 | -72926-(136520-590000)=380554 |
| -272525-(850352-568049)=-554828 | 468997-(343000+799486)=-673489 |
| 300000-(-270267-380000)=950267 | 810000+(-91204+6204)=725000 |
| 971077-(958325-226085)=238837 | -103456+(-41705-93029)=-238190 |
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