482+308=?,264+425=?,957+751=?
756-98=?,924-683=?,1317-789=?
81+?=858,287+?=724,1296+?=1625
85*7=?,9*19=?,824*5=?
627/3=?,256/8=?,798/6=?
---
?-248=819-418,146+196+407+319=?
796-210=?+325,503+543+364-1213=?
279+?+304=996,1010+561-779-667=?
201+?-578=451,1977-603-505-418=?
元旦平安喜乐