| 12503+(562543+392695)=967741 | 188151+(93885+313207)=595243 |
| 131728-(195035-73307)=10000 | 320000+(694087-570087)=444000 |
| 891533-(52277+552034)=287222 | 918666-(281669+108988)=528009 |
| 130000-(604214-590000)=115786 | 196766+(156432+355655)=708853 |
| 123625+(87515+500000)=711140 | 444678-(507046-266406)=204038 |
| 614276-(261777-217501)=570000 | 1000000-(123072+606928)=270000 |
| 285986+(965165-710000)=541151 | 29405+(175539+521130)=726074 |
| 510000-(323483-263881)=450398 | 1000000-(522399+215774)=261827 |
| 520000+(735505-585505)=670000 | 300000+(516012+73988)=890000 |
| 188502+(526134-492679)=221957 | 602862+(367340-160970)=809232 |
| 13285+(546289-444195)=115379 | 903974-(641898-43766)=305842 |
| 714539-(692003+3383)=19153 | 594808-(280064+203359)=111385 |
