298+519=?,228+597=?,415+694=?
777-44=?,857-274=?,864-306=?
16+?=822,265+?=876,396+?=980
26*4=?,35*7=?,64*8=?
48/2=?,72/3=?,140/5=?
---
?-215=776-494,187+267+307+118=?
854-253=?+306,311+159+239-605=?
254+?+325=962,432+212-162-365=?
245+?-407=296,999-315-168-307=?
月有阴晴圆缺