完整版一年级数学20以内破十法减法练习题VIP免费

1 20 以内破十法减法练习题凑十法儿歌一九一九好朋友，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。看大数，分小数，凑成十，加剩数。大数记心里，小数记手里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 = 2 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 = 13 — 5 = 12 — 5 = 11 — 5 = 3 13 — 4 = 12 — 4 = 11 — 4 = 16 — 7 = 15 —7 = 14 — 7 = 18 — 9 = 17 — 9 = 16 — 9 = 15 — 9 = 14 — 9 = 13 — 9 = 13 — 7 = 12 — 7 = 11 — 7 = 12 — 9 = 11 — 9 = 17 —8 = 16 — 8 = 15 — 8 = 14 — 8 = 4 13 — 4 = 12 — 4 = 11 — 4 = 12 — 3 = 11 — 3 = 11 — 2 = 13 — 5 = 12 — 5 = 11 — 5 = 13 — 8 = 12 — 8 = 11 — 8 = 16 — 7 = 15 —7 = 14 — 7 = 12 — 6 = 11 — 6 = 14 —5 = 15 — 9 = 14 — 9 = 13 — 9 = 5 13 — 4 = 12 — 4 = 11 — 4 = 12 — 3 = 11 — 3 = 11 — 2 = 13 — 5 = 12 — 5 = 11 — 5 = 13 — 8 = 12 — 8 = 11 — 8 = 16 — 7 = 15 —7 = 14 — 7 = 12 — 6 = 11 — 6 = 14 —5 = 15 — 9 = 14 — 9 = 13 — 9 = 6 13 — 4 = 12 — 4 = 11 — 4 = 16 — 7 = 15 —7 = 14 — 7 = 18 — 9 = 17 — 9 = 16 — 9 = 15 — 9 = 14 — 9 = 13 — 9 = 13 — 7 = 12 — 7 = 11 — 7 = 12 — 9 = 11 — 9 = 17 —8 = 16 — 8 = 15 — 8 = 14 — 8 = 7 13 — 4 = 12 — 4 = 11 — 4 = 16 — 7 = 15 —7 = 14 — 7 = 18 — 9 = 17 — 9 =...