261+523=?,264+570=?,401+675=?
789-78=?,831-237=?,809-388=?
96+?=880,235+?=847,332+?=967
34*8=?,48*7=?,72*3=?
259/7=?,516/6=?,792/6=?
---
?-266=703-479,179+252+331+112=?
868-252=?+311,327+259+280-640=?
267+?+358=998,469+225-132-358=?
265+?-493=244,999-367-171-327=?
明月松间照