83+?=294,176+?=321,109+?=485
168-65=?,373-178=?,401-234=?
142+148=?,73+217=?,181+328=?
5*4=?,3*9=?,4*7=?
36/4=?,21/7=?,42/?=?
---
?-112=267-136,74+88+43+205=?
325-241=?+46,137+59+132-302=?
76+?+82=178,156+63-76-108=?
246+?-128=215,500-125-253-91=?
势剧万马壮