438+353=?,266+463=?,467+713=?
775-63=?,909-692=?,929-174=?
95+?=839,274+?=797,394+?=904
94*7=?,9*32=?,666*4=?
555/3=?,842/8=?,738/6=?
---
?-216=803-472,169+159+419+164=?
752-231=?+385,523+380+215-995=?
249+?+391=989,495+426-276-397=?
264+?-518=495,999-257-120-464=?
送珍珠项链