数字加减法练习
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10 + 1 = 12 + 3 =
12 + 2 = 23 + 2 =
13 + 3 = 81 + 1 =
15 + 2 = 62 + 2 =
16 + 2 = 73 + 3 =
14 + 3 = 80 + 1 =
18 + 1 = 55 + 2 =
19 + 2 = 45 + 3 =
17 + 2 = 43 + 3 =
13 + 3 = 41 + 2 =
20 + 1 = 38 + 2 =
12 + 2 = 2 内容过长，仅展示头部和尾部部分文字预览，全文请查看图片预览。 12 + 1 =
27 + 1 = 34 + 3 =
42 + 2 = 58 + 2 =
61 + 3 = 75 + 3 =
85 + 2 = 98 + 1 =
51 + 3 = 29 + 3 =
27 + 1 = 45 + 2 =
12 + 1 = 18 + 1 =
25 + 2 = 15 + 3 =
23 + 2 = 45 + 1 =
15 + 3 = 43 + 2 =
16 + 1 = 41 + 2 =
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