237+583=?,242+566=?,412+605=?
783-73=?,862-295=?,836-327=?
81+?=823,247+?=812,327+?=935
22*6=?,32*8=?,66*10=?
72/?=?,72/6=?,92/4=?
---
?-238=726-414,138+272+394+127=?
832-205=?+385,314+185+283-692=?
277+?+354=903,484+226-129-373=?
205+?-417=299,999-365-127-348=?
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