411+381=?,282+411=?,407+734=?
766-17=?,958-656=?,957-163=?
58+?=867,207+?=772,346+?=984
37*7=?,9*58=?,738*3=?
424/8=?,665/5=?,798/6=?
---
?-243=877-406,183+119+421+147=?
711-267=?+377,572+324+278-960=?
297+?+374=956,476+426-298-395=?
271+?-574=435,999-248-196-491=?
生日没礼物