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"The Meaning of Fractions" PPT courseware on the meaning and properties of fractions
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"Prevention of Common Natural Disasters" Causes and Prevention of Common Natural Disasters PPT
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"The Change of the Two Jins and the Southern and Northern Dynasties" Separation of Regimes and Integration of Nationalities - Three Kingdoms, Two Jins, Southern and Northern Dynasties PPT Courseware 2
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"The Change of the Two Jins and the Southern and Northern Dynasties" Separation of Regimes and Integration of Nationalities - Three Kingdoms, Two Jins, Southern and Northern Dynasties PPT Courseware 3
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"National Harmony and Foreign Exchanges" "Pluralism and Integration" Pattern and High-level Development of Civilization PPT
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PPT courseware of "The Son Travels Thousands of Miles and the Mother Worries"
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"The Origin and Development of Humanity" The Origin of Man PPT Courseware 4
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"Simple Addition and Subtraction of Decimals" Preliminary Understanding of Decimals PPT Courseware 3
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"Understanding of Hectares and Square Kilometers" Calculation of Polygon Area PPT Courseware 2
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"The Origin and Development of Humanity" The Origin of Man PPT Courseware 3
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"Changes and Properties of Matter" Entering the World of Chemistry PPT Courseware 6
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"Changes of Baking Soda and White Vinegar" Changes of Substances PPT Courseware 3
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"Basic Properties of Fractions" PPT courseware on the meaning and properties of fractions
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"Interpretation of the Historical Truth of the Nanjing Massacre and National Memorial" PPT
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