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αž€αžΆαžšαž’αž—αž·αžšαž€αŸ’αžŸαžαžΆαž˜αž–αž› (Conservation of energy)

1 books Β· 196 questions

1 books196 questionsαžαŸ’αž˜αŸ‚αžš (Khmer)All subjects
αž€αžΆαžšαž’αž—αž·αžšαž€αŸ’αžŸαžαžΆαž˜αž–αž› (Conservation of energy) Β· Happy Quiz