Цікаві досліди на уроках фізики
3 years ago 00:23:47 1
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6 years ago 00:03:39 55
8 years ago 00:03:01 109
8 years ago 00:09:50 1
8 years ago 00:12:46 4
8 years ago 00:05:55 1
8 years ago 00:02:47 1
9 years ago 00:10:31 1
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10 years ago 00:03:01 15
11 years ago 00:03:23 30
12 years ago 01:29:01 10
