401+347=?,200+425=?,449+722=?
718-46=?,914-696=?,980-141=?
80+?=828,241+?=796,334+?=952
49*7=?,9*73=?,684*3=?
608/8=?,905/5=?,738/6=?
---
?-209=877-415,181+121+452+198=?
776-240=?+322,584+349+249-900=?
233+?+303=904,462+492-220-350=?
252+?-565=496,999-269-193-438=?
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