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21. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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22. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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23. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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24. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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25. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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26. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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27. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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28. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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29. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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30. | 
| | oleh Kumon Publishing *** Out of Print *** Most grade-school workbooks try to cover the full range of topics in one workbook, and as a result do not dedicate enough pages to important mathematical concepts. Kumon's research has found, however, that children find learning easier when they tackle one skill set at a time. With these findings ... [selengkapnya]
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