493+364=?,209+462=?,987+721=?
773-31=?,996-674=?,1330-729=?
90+?=836,247+?=703,1257+?=1650
35*7=?,9*94=?,838*4=?
402/3=?,496/8=?,858/6=?
---
?-298=872-452,125+150+480+360=?
767-283=?+383,567+596+300-1262=?
213+?+363=965,1073+569-713-663=?
272+?-573=474,1947-681-558-482=?
舞雪方缤纷