64+?=254,172+?=310,117+?=482
166-35=?,352-174=?,405-289=?
143+125=?,78+215=?,187+356=?
8*7=?,7*9=?,9*9=?
32/8=?,28/7=?,35/?=?
---
?-162=261-183,78+83+41+236=?
353-241=?+53,157+52+148-332=?
72+?+86=217,153+68-79-132=?
276+?-131=244,500-148-255-97=?
雨声西南来