275+382=?,116+450=?,379+775=?
607-29=?,905-583=?,993-211=?
83+?=698,505+?=726,240+?=963
32*6=?,68*7=?,216*4=?
72/3=?,584/4=?,735/7=?
---
?-228=802-430,154+193+491+164=?
756-221=?+394,598+348+283-930=?
217+?+335=938,480+285-197-396=?
260+?-424=339,999-380-166-362=?
获得紫晶钻