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"The Secret of Wheels and Axles" Tools and Machinery PPT Courseware 4
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2023-09-25 18:22:17
"Exploring the Function of Pulleys" Force and Machinery PPT Courseware
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"Measurement of Elasticity and Force" Motion and Force PPT Courseware 2
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"Newton's First Law" Motion and Force PPT Courseware 7
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"Newton's First Law" Motion and Force PPT Courseware 2
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"Hazards and Control of Noise" Acoustic Phenomenon PPT Download
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"Eyes and Glasses" Lenses and their applications PPT download
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"One Day's Garbage" Environment and Us PPT Courseware 2
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2023-09-25 18:18:00
"Does an object sink or float in water?" Sink and float PPT
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2023-09-25 18:17:11
"Utilization, Development and Protection of Water Resources" PPT courseware
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2023-09-25 18:16:29
"Animal's Home" Making Friends with Animals PPT Courseware 2
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2023-09-25 18:15:48
"The Shadow of the Flagpole" Flagpole and Shadow PPT Courseware 2
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2023-09-25 18:15:36
"Observe and Describe Minerals" Rocks and Minerals PPT Courseware
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2023-09-25 18:14:53
"The Composition of Rocks" Rocks and Minerals PPT Courseware 3
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"Measuring the Size of Force" Motion and Force PPT Courseware 4
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2023-09-25 18:14:41
"Motion and Friction" Motion and Force PPT Courseware 2
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2023-09-25 18:14:41
"Designing and Making a Small Racing Car" Sports and Power PPT Courseware
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2023-09-25 18:14:41
"Measuring the Temperature of Water" Changes in Temperature and Water PPT
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2023-09-25 18:14:15
"Water Frozen" PPT download of changes in temperature and water
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"Comparing the Amount of Water" Water and Air PPT Courseware 5
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"Does Air Have Weight?" Water and Air PPT Courseware 3
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"Does Air Have Weight?" Water and Air PPT Courseware 4
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"Understanding of Cylinder" Cylinder and Cone PPT Courseware 2
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"Positional Relationship between Lines and Circles" Circle PPT Courseware 3
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"Prime Numbers and Composite Numbers" Factors and Multiples PPT Courseware 4
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"Tongfen" The meaning and nature of fractions PPT courseware 2
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"Peng Dehuai and His Big Black Mule" PPT courseware 2
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"The Chronic Tailor and the Impatient Customer" PPT courseware
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"Literature and Art" Modern Science and Culture PPT Courseware
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"Learning to See Floor Plans" Pathfinding and Traveling PPT Courseware 3
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"The Knowledge of Travel" Pathfinding and Traveling PPT Courseware 2
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"Design and Make Little Racing Cars" Sports and Power PPT Download
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"Range and Variance" Data Analysis PPT Courseware 2
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2023-09-25 17:29:25
"Digestion of Food and Absorption of Nutrients" PPT
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2023-09-20 15:21:59
"The Function of Inclined Plane" Tools and Machinery PPT Courseware 4
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"Urban and Rural Spatial Structure" Urban and Rural PPT Courseware
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"The Chronic Tailor and the Impatient Customer" PPT courseware
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"Little Willow Tree and Little Jujube Tree" PPT teaching courseware download
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""Wonderful" and "terrible"" PPT free download
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"The Secret of Axle" Tools and Machinery PPT Courseware 3
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"We have grown up again" flagpole and shadow PPT courseware
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"Knowing meters, meters and centimeters" length unit PPT courseware
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2019-03-03 20:00:00
"Addition" 1-5 understanding and addition and subtraction PPT courseware
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2019-02-09 21:00:00
"Recognizing Objects and Figures" Stereoscopic Graphics PPT Courseware
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2019-02-05 09:00:00
Harmonious new rural agricultural production publicity PPT template
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Harmonious new rural construction hometown introduction PPT template
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"The Meaning and Writing of Percentages" Flash Animation Courseware
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2019-02-23 01:00:00
"The Rise of the Mongols and the Unification of the Country by the Yuan Dynasty" PPT courseware on the competition between national political power and the development of the southern economy
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2023-10-05 09:47:10
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