57+?=771,403+?=836,320+?=931
425-58=?,783-157=?,886-303=?
326+465=?,206+593=?,386+643=?
60/4=?,36/3=?,75/5=?
25*5=?,16*8=?,12*9=?
---
?-325=708-453,163+219+357+157=?
756-259=?+372,325+147+283-609=?
146+?+354=925,461+284-158-523=?
238+?-418=291,999-306-284-337=?
傥寄相思字