430+386=?,252+466=?,940+786=?
795-59=?,934-646=?,1331-778=?
45+?=818,210+?=764,1221+?=1647
63*7=?,9*71=?,810*4=?
453/3=?,408/8=?,876/6=?
---
?-266=838-492,152+155+490+368=?
773-285=?+374,534+542+334-1289=?
272+?+314=974,1044+595-792-679=?
225+?-595=442,1993-686-535-431=?
喝奶茶提神