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Wisdom of Using Stable and Strong Triangle in Everyday Life
by Ahn, Jae Chan
ISBN: 9781642602258
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Three-dimensional structure using Cross-section, geometry net and shadow
by Ahn, Jae Chan
ISBN: 9781642602685
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Nature's beautiful rules within proportional expression
by Ahn, Jae Chan
ISBN: 9781642602661
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Knowing how to make pairs can allow one to create league and tournament chart
by Ahn, Jae Chan
ISBN: 9781642602678
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Fraction and its calculation shows an amount that is not fully filled
by Ahn, Jae Chan
ISBN: 9781642602647
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Overlapping and division of figures and pieces of figure
by Ahn, Jae Chan
ISBN: 9781642602654
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Role of Multiples and Divisors in Building and Dividing Numbers
by Ahn, Jae Chan
ISBN: 9781642602630
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Drawing Figure Based on Correct Location, Direction, and Rules
by Ahn, Jae Chan
ISBN: 9781642601954
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Fascinating way of understanding and calculating payment which includes addition and subtrac...
by Ahn, Jae Chan
ISBN: 9781642601961
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Understanding and utilizing the relationship between addition and subtraction
by Ahn, Jae Chan
ISBN: 9781642601992
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Using the concept of bundling and doubling to understand the principles of multiplication
by Ahn, Jae Chan
ISBN: 9781642601978
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Understanding multiplication using fingers and doing quick calculations
by Ahn, Jae Chan
ISBN: 9781642601985
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Mutual Relationship of Dot, Line and Surfaces in Nature
by Ahn, Jae Chan
ISBN: 9781642601480
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Understanding and Making Use of Various Plane Figures
by Ahn, Jae Chan
ISBN: 9781642601497
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Understanding and Making Use of Solid Figures That Make up Space
by Ahn, Jae Chan
ISBN: 9781642601503
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View of the World of Plane Figures Through Measurement
by Ahn, Jae Chan
ISBN: 9781642601626
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Birth and Significance of France's Meter-System Which Has Become the Standard of the World's...
by Ahn, Jae Chan
ISBN: 9781642601619
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Understanding and Application of China's Oriental Foot Pound System and England's Yard-Pound...
by Ahn, Jae Chan
ISBN: 9781642601602
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Standard and Purpose of Measurement Used in Ancient Countries
by Ahn, Jae Chan
ISBN: 9781642601596
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View of the World of Solid Figures Through Measurement
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ISBN: 9781642601633
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Forming a Pattern with Different Shapes in Nature
by Ahn, Jae Chan
ISBN: 9781642601541
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Making Different Kinds of Shapes Using the Ingredients of Nature
by Ahn, Jae Chan
ISBN: 9781642601534
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