共有96个算式：246+789=1035,249+786=1035,264+789=1053,269+784=1053,284+769=1053 286+749=1035,289+746=1035,289+764=1053,324+765=1089,325+764=1089 342+756=1098,346+752=1098,347+859=1206,349+857=1206,352+...