- \(584+136=720\)
- \(155+353=508\)
- \(812-275=537\)
- \(681-407=274\)
- \(624-126=498\)
- \(128+472=600\)
- \(959-494=465\)
- \(650-559=91\)
- \(603-368=235\)
- \(207-169=38\)
- \(475+296=771\)
- \(346+459=805\)
Ответ: 720; 508; 537; 274; 498; 600; 465; 91; 235; 38; 771; 805.