141+586=?,455+498=?,342+700=?
428-11=?,855-405=?,921-396=?
37+?=769,380+?=885,294+?=916
46*3=?,88*7=?,232*4=?
55/5=?,294/7=?,784/8=?
---
?-261=811-460,133+101+427+156=?
817-268=?+384,398+278+214-634=?
255+?+345=974,492+288-104-348=?
233+?-412=320,999-339-109-310=?
蘑菇打雨伞