416+331=?,289+452=?,484+766=?
779-33=?,937-632=?,948-148=?
50+?=882,241+?=740,351+?=935
68*7=?,9*57=?,794*4=?
417/3=?,504/8=?,912/6=?
---
?-286=801-468,163+190+472+115=?
736-216=?+349,593+390+219-965=?
235+?+345=900,437+418-236-324=?
296+?-506=458,999-283-102-457=?
都进去哪边