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明媚阳光~艳

我们一起来学习 首先让我们一起来学习《姓氏歌》 数学:我们来学习8、7、6加几 11+ 1 = 17- 1 = 16+ 2 = 16- 4 =<br>3 + 4 = 1 +14 = 14+ 2 = 4 +12 =<br>12+ 5 = 14+ 1 = 10+ 8 = 17-15 =<br>15- 3 = 9 - 8 = 11+ 5 = 16+ 1 =<br>12+ 3 = 17-12 = 1 +17 = 11+ 5 =<br>2 + 6 = 19- 5 = 7 - 3 = 12+ 4 =<br>10+ 7 = 1 +12 = 11+ 1 = 17-10 =<br>9 - 9 = 4 +12 = 11+ 2 = 13+ 2 =

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