32+?=340,145+?=372,285+?=423
282-40=?,365-156=?,461-386=?
263+142=?,83+246=?,183+322=?
1*6=?,7*4=?,8*5=?
63/7=?,35/7=?,81/?=?
---
?-183=220-136,121+63+67+232=?
344-293=?+32,143+69+153-333=?
86+?+42=153,146+188-77-222=?
216+?-143=293,500-132-244-64=?
此间乐不思蜀