1) 169-(51+18)+41-24=117.
2) 191-(74+62)+29-18=66.
3) 391-(29+18-13)-(27+16)=314.
4) 562-(49-18+11)+(51-42)=529.
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Answers & Comments
1) 169-(51+18)+41-24=117.
2) 191-(74+62)+29-18=66.
3) 391-(29+18-13)-(27+16)=314.
4) 562-(49-18+11)+(51-42)=529.