| 820000-(80000+319736)=420264 | 729820-(262773+312399)=154648 |
| 379454+(890361-366815)=903000 | 196766+(156432+355655)=708853 |
| 841702-(770094-70364)=141972 | 546950-(677684-674734)=544000 |
| 871355-(233630+209927)=427798 | 436063+(25600+271562)=733225 |
| 798517+(400000-356709)=841808 | 320000+(694087-570087)=444000 |
| 60000+(239303-6247)=293056 | 746345-(201072+355273)=190000 |
| 956000-(220689-84644)=819955 | 740000-(173142+240000)=326858 |
| 168995+(300000+287605)=756600 | 767825-(965067-528308)=331066 |
| 97529+(160000+130802)=388331 | 95052+(312195-180000)=227247 |
| 527014+(669685-360292)=836407 | 585203-(992848-707645)=300000 |
| 452220-(652958-560738)=360000 | 95869+(515162+180959)=791990 |
| 985549-(325013+541858)=118678 | 321745+(250000+177000)=748745 |
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