Study notes
https://peda.net/id/624b84faea5
2019-07-16T13:36:26+03:00
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Magnetism (9. lk.)
https://peda.net/id/624cb672ea5
2019-07-16T13:38:03+03:00
2017-12-26T17:49:38+02:00
Electricity and circuits (9th grade)
https://peda.net/id/624c0290ea5
2019-07-16T13:37:23+03:00
2017-12-26T17:49:38+02:00