ឯកសារយោង៖
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p712_stepsam_ការរីកនៃអង្គទាតុ.pdf | |
File Size: | 1344 kb |
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p712_vso_ការរីកមាឌរបស់ទឹក.pdf | |
File Size: | 206 kb |
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កិច្ចតែងការបង្រៀន៖
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p712_plan_ការរីកនៃអង្គធាតុ_ម៉ោអទី១.pdf | |
File Size: | 643 kb |
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p712_plan_ការរីកនៃអង្គធាតុ_ម៉ោងទី១__scan_.pdf | |
File Size: | 644 kb |
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វីដេអូ៖ ចរន្ដវិលវល់នៃអង្គធាតុរាវប្រើប្រាស់ KMnO4 (ប៉ូតាស្យូមពែម៉ង់កាណាត)