| 320000-(331924-147046)=135122 | 543065-(636447-165415)=72033 |
| 830000-(226335+131233)=472432 | 18749+(408618+422385)=849752 |
| 371474+(46498+542028)=960000 | 502000-(102639-41746)=441107 |
| 47007+(269625+175529)=492161 | 386429+(346729+147147)=880305 |
| 957543+(300000-287543)=970000 | 359910+(283000+135673)=778583 |
| 697902-(174623+413815)=109464 | 628150+(213647-159594)=682203 |
| 641393-(834972-566391)=372812 | 765937-(985875-434801)=214863 |
| 658338-(800000-341662)=200000 | 180000+(666694-568907)=277787 |
| 573319+(274241-52977)=794583 | 293228+(723874-498866)=518236 |
| 941154-(518171+142983)=280000 | 988330-(611514+286425)=90391 |
| 752000-(262784+59216)=430000 | 540000-(55518+384482)=100000 |
| 133950+(618536+100000)=852486 | 98637+(821174-249811)=670000 |
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