| 6633+(73495+864601)=944729 | 400864+(15615+150860)=567339 |
| 750300+(90664+89036)=930000 | 799304-(179900+537163)=82241 |
| 103797+(425376+100827)=630000 | 516868+(753558-619076)=651350 |
| 656691-(175148-58716)=540259 | 328064-(459587-204728)=73205 |
| 983973-(623784-450000)=810189 | 237239+(908193-401076)=744356 |
| 871355-(233630+209927)=427798 | 665766+(844969-806715)=704020 |
| 632265+(180000-178761)=633504 | 988732-(480000+70000)=438732 |
| 800000-(413201-94775)=481574 | 219885+(690000-654091)=255794 |
| 772292-(847369-83741)=8664 | 846114-(185623+178000)=482491 |
| 453872-(138063+54740)=261069 | 219866+(310000-240000)=289866 |
| 673982-(132143+400000)=141839 | 91969+(280520+471205)=843694 |
| 250000+(20000+230000)=500000 | 344708-(900000-805292)=250000 |