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"Chemical Reactions and Energy Changes" Chemical Reactions and Energy PPT (Lesson 2 Chemical Reactions and Electric Energy)
下载 406 次
2023-09-25 17:33:59
"Chemical Reactions and Energy Changes" Chemical Reactions and Energy PPT (Lesson 1 Chemical Reactions and Thermal Energy)
下载 658 次
2023-09-25 17:33:59
"Law of Conservation of Mass" Chemical Equations PPT Courseware
下载 925 次
2023-09-25 18:21:04
"Temperature" PPT teaching courseware on changes in states of matter
下载 523 次
2023-09-25 18:18:55
"Crops and Fertilizers" farmland PPT courseware
下载 962 次
2023-09-25 17:32:02
"Digestion and Absorption of Food" PPT courseware
下载 655 次
2023-09-20 15:21:27
"Crops and Fertilizers" farmland PPT courseware
下载 962 次
2023-09-25 17:32:02
"Classification and Transformation of Matter" PPT courseware
下载 158 次
2023-10-05 09:32:22
"The Making of Tofu" Organic Compounds PPT
下载 985 次
2023-09-25 17:33:58
"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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2023-09-25 17:34:04
"Classification of Elements and Matter" PPT courseware of elements and the world of matter (an important mixture in Lesson 2 - colloid)
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2023-09-25 17:34:04
"The Concept and Representation of Functions" The Concept and Properties of Functions PPT (Lesson 3 Piecewise Functions)
下载 332 次
2023-09-25 18:06:39
"Function and its Representation Method" Concept and Properties of Function PPT (Concept of Function in Lesson 1)
下载 795 次
2023-09-25 18:07:07
"The Concept and Representation of Functions" The Concept and Properties of Functions PPT (Lesson 3 Piecewise Functions)
下载 332 次
2023-09-25 18:06:39
"Digestion of Food and Absorption of Nutrients" PPT download
下载 425 次
2023-09-25 18:28:20
"Material Around Us" Material Changes PPT Courseware 3
下载 213 次
2023-09-25 18:15:24
"Chemical Properties of Acids and Bases" Acids and Bases PPT Courseware 2
下载 152 次
2023-09-25 18:28:48
"Material Around Us" Material Changes PPT Courseware 2
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2023-09-25 18:15:26
"Material Around Us" Material Changes PPT Courseware 4
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"Material Around Us" Material Changes PPT Courseware 5
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2023-09-25 18:15:24
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