42+?=137,54+?=174,92+?=267
184-73=?,257-135=?,462-278=?
81+93=?,42+175=?,134+274=?
5*8=?,7*9=?,6*8=?
25/5=?,36/6=?,49/7=?
---
?-165=277-160,48+93+86+135=?
152-28=?+74,68+52+165-238=?
84+?+92=253,131+96-58-142=?
158+?-42=201,500-54-225-96=?
动物走迷宫