58+?=732,478+?=858,325+?=957
452-63=?,771-168=?,842-305=?
313+484=?,225+572=?,346+632=?
32/8=?,42/7=?,45/?=?
15*6=?,13*7=?,25*4=?
---
?-353=769-143,173+217+351+246=?
727-200=?+350,321+133+225-518=?
148+?+351=824,431+253-127-444=?
232+?-452=233,999-346-204-332=?
残阳见旧山