468+334=?,277+471=?,474+716=?
703-29=?,908-647=?,936-192=?
89+?=876,252+?=749,310+?=953
75*7=?,9*64=?,439*3=?
512/8=?,885/5=?,918/6=?
---
?-225=886-417,153+171+428+132=?
774-257=?+333,514+342+209-911=?
243+?+357=927,422+437-219-372=?
206+?-508=456,999-244-189-463=?
洗澡搓香皂