296+331=?,163+403=?,364+750=?
645-11=?,921-597=?,916-231=?
67+?=663,581+?=728,214+?=900
83*4=?,75*8=?,175*3=?
126/9=?,900/4=?,768/6=?
---
?-297=827-414,172+169+474+161=?
751-294=?+301,561+303+222-993=?
278+?+339=916,485+285-175-337=?
239+?-409=341,999-389-142-358=?
夹住红披风