Ответ:
\(446\cdot2=892\); \(221\cdot3=663\); \(345\cdot2=690\); \(276\cdot2=552\); \(320\cdot3=960\); \(850:5=170\); \(936:3=312\); \(720:4=180\); \(856:4=214\); \(968:4=242\); \(655:5=131\).
\(446\cdot2=892\); \(221\cdot3=663\); \(345\cdot2=690\); \(276\cdot2=552\); \(320\cdot3=960\); \(850:5=170\); \(936:3=312\); \(720:4=180\); \(856:4=214\); \(968:4=242\); \(655:5=131\).