一九一九好朋友， 二八二八手拉手三七三七真亲密， 四六四六一起走，凑十法儿歌五五凑成一双手看大数，分小数， 凑成十，加剩数大数记心里，小数记手里19 + 6 = 9 + 5 = 9 + 4 =9 + 3 = 9 + 2 = 9 + 7 =9 + 8 = 9 + 9 = 8 + 8 =8 + 7 = 8 + 9 = 8 + 6 =8 + 5 = 8 + 4 = 8 + 3 =7 + 9 = 7 + 8 = 7 + 7 =7 + 6 = 7 + 4 = 7 + 5 =6 + 9 = 6 + 8 = 6 + 7 =6 + 6 = 6 + 5 = 5 + 9 =5 + 8 = 5 + 7 = 5 + 6 =4 + 9 = 4 + 8 = 4 + 7 =3 + 9 = 3 + 8 = 2 + 9 =9 + 6 = 9 + 5 = 9 + 4 =9 + 3 = 9 + 2 = 9 + 7 =9 + 8 = 9 + 9 = 8 + 8 =8 + 7 = 8 + 9 = 8 + 6 =8 + 5 = 8 + 4 = 8 + 3 =7 + 9 = 7 + 8 = 7 + 7 =27 + 6 =7 + 4 =7 + 5 =5减九加一减八加二减七加三减六加四减五加五破十法儿歌减四加六减三加七减二加八破大数，加小数18– 9 =17–9 =16 –9 =15– 9 =14– 9 =13 –9 =12 – 9 =11 – 9 =17– 8 =16– 8 =15– 8 =14 – 8 =13– 8 =12 – 8 =11 – 8 =16 – 7 =15 – 7 = 14 – 7 = 13 – 7 = 12 – 7 =11 – 7 = 15 – 6 = 14 – 6 = 13 – 6 =12 – 6 = 11 – 6 = 14 – 5 = 13 – 5 =12 – 5 = 11 – 5 = 13 – 4= 12 – 4=11 – 4= 12 – 3 = 11 – 3 = 11 – 2 =。
