213+389=?,385+493=?,608+783=?
549-34=?,868-351=?,907-265=?
61+?=630,455+?=771,289+?=939
68*7=?,6*118=?,879*4=?
261/3=?,696/8=?,711/9=?
---
?-224=826-334,141+203+308+245=?
751-345=?+246,459+309+236-943=?
227+?+214=980,572+268-398-316=?
435+?-633=402,999-148-377-423=?
考试全正确