83+?=257,53+?=362,195+?=455
179-65=?,377-126=?,432-271=?
184+136=?,21+268=?,173+265=?
6*4=?,7*6=?,8*8=?
16/2=?,35/7=?,48/6=?
---
?-167=373-162,78+74+26+215=?
369-222=?+36,162+54+178-261=?
83+?+95=273,152+92-76-112=?
129+?-78=273,500-14-265-189=?
雨如决河倾