,8、7 加几,主讲：葛新海,回顾 9+4= 9+8= 9+6= 9+3= 2+9= 5+9=,13,17,15,12,11,14,左边有8把,右边有7把,8 + 7 =,2,5,10,15,8 + 7 =,5,3,15,10,2,5,10,15,8 + 7 =,15,8 + 7=,10,5,3,8和2凑成10,7和3凑成10,先说说你想怎样算，再填空。,9+7=,16,7+9=,16,7+9=,3,11,6,13,7 + 5 =,10,8 + 6 =,10,12,14,3,2,2,4,2,2,10,12,3,3,10,13,7 + 4 =,8 + 5 =,7 + 6 =,8 + 7 =,7 + 7 =,8 + 3 =,11,13,14,13,15,11,成果篮,说一说，学习了本课你有哪些收获？,下课！,
