12-3= 12+16= 13-8= 14-5= 12-8= 8+5= 11-5=
20+7= 16-9= 12-5= 9+4= 18-9= 17-8= 15-9=
希望這些可以幫到妳哦!~~ ~\(≧▽≦)/~啦啦啦~