| 935115-(185736+229379)=520000 | 780000+(711715-677000)=814715 |
| 77568+(248800+351933)=678301 | 1000000-(408233+138379)=453388 |
| 629673-(485119+44554)=100000 | 55662+(352438+395103)=803203 |
| 164000+(962042-512729)=613313 | 710846-(634159-30313)=107000 |
| 910000-(995913-100000)=14087 | 878772-(226970+583591)=68211 |
| 410000+(830781-564719)=676062 | 472476-(26877+100000)=345599 |
| 414540-(270716-200000)=343824 | 122045+(218950+144599)=485594 |
| 426902+(406268-33170)=800000 | 20578+(87836+247193)=355607 |
| 960000-(430425+279575)=250000 | 642005+(726531-398536)=970000 |
| 113508-(103797-30793)=40504 | 722781-(752516-68111)=38376 |
| 830167+(118225+5600)=953992 | 8924+(278378+95558)=382860 |
| 197809-(800000-700000)=97809 | 152682+(265907-164644)=253945 |
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