1年级数学同步练习：20以内加减法

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17+ 2 = 16+ 1 = 12-10 = 9 - 1 =

1 + 7 = 10+ 8 = 5 + 2 = 17- 6 =

18- 8 = 3 - 0 = 0 - 0 = 19- 1 =

11-10 = 12-10 = 7 - 3 = 12-11 =

15-12 = 15-11 = 6 +10 = 1 +13 =

4 + 3 = 3 +14 = 2 +13 = 18- 2 =

8 - 4 = 6 - 2 = 9 - 1 = 2 +14 =

10+ 2 = 7 - 4 = 15-11 = 8 +10 =

13- 3 = 1 +12 = 4 +15 = 2 + 4 =

16+ 2 = 10+ 7 = 2 + 5 = 2 + 6 =

1 + 2 = 14+ 3 = 11+ 8 = 1 + 1 =

17-16 = 1 + 2 = 5 +14 = 12+ 4 =

18-17 = 12+ 3 = 17-15 = 6 - 1 =

6 - 5 = 6 + 2 = 16+ 3 = 1 +14 =

16+ 1 = 4 +15 = 2 + 3 = 18-13 =

7 - 1 = 15- 1 = 17- 6 = 3 +15 =

15- 1 = 16- 2 = 10+ 3 = 1 +14 =

以上就是小编为大家整理的1年级数学同步练习：20以内加减法。