——2的乘法口诀分桃子几只猴子123456789几个桃子24681012141618几只猴子123456789几个桃子246810121416181...
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上溪小学社团课程 Evaluation only. Evaluation only. Created with Aspose.Slides for .NET 3.5 Client Pr...
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6 的乘法口诀制作: 余芳口算。4×5 = 1×4 = 4×3 =3×5 = 3×2 = 2×3 =5×3 = 2×4 = 5×5 =1×5 = 1×1 ...
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