186+528=?,469+482=?,315+719=?
430-27=?,875-473=?,996-311=?
32+?=798,323+?=883,255+?=966
63*9=?,108*5=?,148*7=?
84/3=?,216/9=?,516/6=?
---
?-221=865-427,158+197+424+183=?
824-251=?+312,337+286+205-603=?
279+?+314=994,425+277-127-367=?
277+?-415=369,999-319-149-300=?
姑苏城外寒山寺