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yaoshi
- 苏教版小学数学第七册《图形的对称》钥匙展开图验证-Primary Mathematics for Jiangsu seventh book, " symmetric graph" key expansion plan validation
yidali
- 苏教版小学数学第七册《图形的对称》意大利国旗对称性-Primary Mathematics for Jiangsu seventh book, " graphic symmetry" symmetry of the Italian flag
zhengfangxing
- 苏教版小学数学第七册《图形的对称》正方形的对称性-Primary Mathematics for Jiangsu seventh book, " graphic symmetry" square symmetry
zhong
- 苏教版小学数学第七册《图形的对称》中文的中字对称性-Primary Mathematics for Jiangsu seventh book, " graphic symmetry" in Chinese characters symmetry
zimua
- 苏教版小学数学第七册《图形的对称》字母A的对称性-Primary Mathematics for Jiangsu seventh book, " symmetric graph," the symmetry of the letter A