| 660870-(350021+288748)=22101 | 734851-(209258+200000)=325593 |
| 44501+(317821+86880)=449202 | 954300-(868878-664578)=750000 |
| 543065-(636447-165415)=72033 | 728229-(411538+46462)=270229 |
| 9328+(34699+192138)=236165 | 83336-(386563-317486)=14259 |
| 628579+(68669-44211)=653037 | 1000000-(75949+865162)=58889 |
| 46927+(417366-192311)=271982 | 455780+(254025+170039)=879844 |
| 415819+(210000+145211)=771030 | 978950-(17799+231151)=730000 |
| 300000+(7414+118815)=426229 | 320547+(977998-893845)=404700 |
| 673307-(409243+61292)=202772 | 809522+(780000-616385)=973137 |
| 61797+(576746+126457)=765000 | 661406-(770900-717618)=608124 |
| 202601+(873861-528018)=548444 | 807079-(766436-309357)=350000 |
| 740404-(623210-107145)=224339 | 270000+(660320-430320)=500000 |