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"Basic Properties of Proportion" Proportion PPT Courseware 5
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"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 3
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"Thermal Expansion and Cold Contraction" Changes in Matter PPT Courseware 2
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"Chemical Properties of Metals" Metal PPT Courseware 2
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"Chemical Properties of Metals" Metal PPT Courseware 6
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"Elements" The Mystery of Material Composition PPT Courseware 6
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"Elements" The Mystery of Material Composition PPT Courseware 9
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"Basic Properties of Ratio" Ratio and Proportion PPT Courseware
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"Basic Properties of Fractions" Fraction PPT Courseware 2
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"Basic Properties of Proportion" Proportion PPT Courseware 3
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"Configuration of Sodium Chloride Solution with Certain Solute Mass Fraction" Solution PPT Courseware
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"Classification and Transformation of Matter" Matter and its Changes PPT (Classification of Matter in Lesson 1)
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White gold edge layered and beautiful business plan PPT template
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"Amount and Concentration of Substances" Amount of Substances PPT
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"Amount and Concentration of Substances" Amount of Substances PPT
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"Diversity of Iron" PPT courseware on the properties and transformation of substances (Lesson 1 Ferrous Salts and Iron Salts)
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"Food Spoilage" Food in Life PPT Courseware
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"Reduction" The meaning and nature of fractions PPT courseware 5
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"Exploring the Properties of Axisymmetry" Axisymmetric PPT Courseware
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"Tongfen" The meaning and nature of fractions PPT courseware 3
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"Configuration of Sodium Chloride Solution with Certain Solute Mass Fraction" Solution PPT Courseware 3
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"New Materials and Their Applications" PPT courseware on the scale, mass and density of the material world
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"Understanding some physical properties of matter" Materials around us PPT courseware 2
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"Shui Long Yin·Ci Yun Zhang Zhi Fu Yang Hua Ci" PPT courseware
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"Properties of Chlorine" PPT courseware of chlorine and its compounds
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