凑 十 歌一九一九好朋友, 二八二八手拉手, 三七三七真亲密, 四六四六一起走。 五五凑成一双手。一加九,十只小蝌蚪, 二加八,十只花老鸭, 三加七,十只老母鸡, 四加六,十只金丝猴, 五加五,十只大老虎。看到9 想到 1, 看到 8 想到 2, 看到 7 想到 3, 看到 6想到 4。 看到大数加小数,。凑十法练习题. 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 = 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 = 一五 6,二四 6,三三 6,四二 6,五一 6;6 的组成没遗漏。一六 7,二五 7,三四 7,四三 7,五二 7,六一 7;7 的组成记仔细。一七 8,二六 8,三五 8,四四 8,五三 8,六二 8,七一 8;8 的组成记全它。一八 9,二七 9,三六 9,四五 9,五四 9,六三 9,七二 9,八一 9;9 的组成全都有。一九 10,二八 10,三七 10,四六 10,五五 10,六四 10,七三 10,八二 10,九一 10;10 的组成共九句。破十法练习题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 =