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"Common Acids and Bases" Acids and Bases PPT Courseware 6

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"Continents and Oceans" Land and Ocean PPT Courseware

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"Kinetic Energy and Potential Energy" Work and Mechanical Energy PPT Courseware

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"Solving quadratic equations of one variable" PPT courseware of quadratic equations of one variable

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Peaceful and detailed

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peace detail

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Showa Modern style

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"Chemical Properties of Metals" Metals and Metal Materials PPT Courseware 2

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"Chemical Properties of Metals" Metals and Metal Materials PPT Courseware 5

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"Digestion of Food and Absorption of Nutrients" PPT courseware download

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"The Third Scientific and Technological Revolution" Science, Technology and Culture PPT Courseware 2

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"Digestion of Food and Absorption of Nutrients" PPT courseware download

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"Brake Distance and Quadratic Function" Quadratic Function PPT Courseware

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"Me and You" PPT courseware 2

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"Harmony between Generals and Prime Ministers" PPT Courseware 4

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"Harmony between Generals and Prime Ministers" PPT Courseware 6

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"Harmony between Generals and Prime Ministers" PPT Courseware 7

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"Summer Palace" PPT courseware 8

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"Three Monks" PPT download

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