- \(47+56:14=47+4=51\);
- \(78+600:3=78+200=278\);
- \(56+420:7=56+60=116\);
- \(184+72:9=184+8=192\);
- \(790-400:2=790-200=590\);
- \(16\cdot(60:10)=16\cdot6=96\);
- \(840:2:6=420:6=70\);
- \(980:2+720:8=490+90=580\);
- \(23\cdot(80:40)=23\cdot2=46\).
Ответ: 51; 278; 116; 192; 590; 96; 70; 580; 46.