(完整版)20以内加减法练习题直接打印版

8+ 10 =17 — 7 =19 — 3 =9 + 1 + 4=18 — 8 =10 + 8 =3+ 11 =7 + 3 + 5=18 — 10 =3 + 10 =16 — 4 =7 + 4 + 6