十几减5、4、3、2,教师：齐艳红,学校：阎村小学,一共有11个气球,一共有11个气球,一共有11个气球,一共有11个气球,1,12 4 =,8,14 5 =,9,11 3 =,8,13 7 =,6,13 5 =,8,13 6 =,7,14 7 =,7,11 7 =,4,12 5 =,7,15 7 =,8,13 7 =,6,11 5 =,6,11 4 =,7,12 3 =,9,13 5=,8,13 4 =,9,11 3 =,8,3,7,5,12 7 =,5,12 4 =,8,5,3,7,11 2 =,9,12 3 =,9,17 9 =,8,16 5 =,11,13 4 =,9,14 5 =,9,13 7 =,6,14 8 =,6,1,2,3,4,3,2,4,5,9,9,9,9,一共有13元钱,
