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"Positional Similarity of Similar Polygons and Figures" PPT courseware
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"Positional Relationship between Straight Lines and Circles" Circle PPT Courseware 4
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"Positional Relationship between Lines and Circles" Circle PPT Courseware 5
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"Making Friends with Sister Zhong" My Day PPT Courseware
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"Subtraction without Abdication" PPT on addition and subtraction within 100
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2023-09-20 15:16:50
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"Side Development Views of Cylinders and Cones" PPT courseware
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Download the PPT of "The Ice Melts" about the changes of temperature and water
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"Number" 1-5 understanding and addition and subtraction PPT download
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"The Vast Universe" PPT Courseware on Particles and the Universe 2
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"The Vast Universe" PPT Courseware on Particles and the Universe 2
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"Translation and Rotation" Graphic Movement PPT Courseware 2
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2023-09-25 18:40:15
"Chemical Properties of Acids and Bases" Acids and Bases PPT Courseware 2
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"Digestion and Absorption" Human Nutrition PPT Courseware 3
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2023-09-25 18:27:54
"The Rise of Medieval Cities and Universities" PPT download
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2023-09-25 18:25:53
"Changes of Sea and Land" Land and Ocean PPT Courseware 4
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"Changes of Sea and Land" Land and Ocean PPT Courseware 6
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"Sodium and Sodium Oxides" Sodium and its Compounds PPT
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"Measurement of Current" Current and Circuit PPT Courseware 6
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"Measurement of Current" Current and Circuit PPT Courseware 8
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"Measurement of Current" Current and Circuit PPT Courseware 9
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"Measurement of Elasticity and Force" Motion and Force PPT Courseware 4
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"Measurement of Current" Current and Circuit PPT Courseware 2
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"Measurement of Current" Current and Circuit PPT Courseware 4
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"Hazards and Control of Noise" PPT courseware on acoustic phenomena
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"Animal's Home" Making Friends with Animals PPT Courseware 3
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"One Day's Garbage" Environment and Us PPT Courseware 3
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"One Day's Garbage" Environment and Us PPT Courseware 4
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"Garbage Disposal" Environment and Us PPT Courseware 3
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"The Function of Inclined Plane" Tools and Machinery PPT Courseware 3
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"The Composition of Rocks" Rocks and Minerals PPT Courseware 2
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"How to Get More Light and Heat" Light PPT Courseware
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"Measuring the Size of Force" Motion and Force PPT Courseware 2
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"The Ice Melts" Changes in Temperature and Water PPT Download
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"Comparing the Amount of Water" Water and Air PPT Courseware 2
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"Comparing the Amount of Water" Water and Air PPT Courseware 6
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"Basic Properties of Proportion" Ratio and Proportion PPT Courseware
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"Surface Area of a Cylinder" Cylinder and Cone PPT Courseware
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"Reduction" The meaning and nature of fractions PPT courseware 4
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"Tongfen" The meaning and nature of fractions PPT courseware 4
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"Side Area and Total Area of a Cone" Circle PPT Courseware
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"Reduction" The meaning and nature of fractions PPT courseware 2
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"What Number" 1-5 understanding and addition and subtraction PPT courseware
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"Peng Dehuai and His Big Black Mule" PPT courseware 5
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