химические свойства оснований
4 years ago 01:40:15 2.1K
![[Лия Менделеева] Химические свойства металлов. Часть 1.](https://sun9-13.userapi.com/4TM3IIzIjm9pFJuSamnMXvyGQVnjzEsXT13wEA/yr02UDNvH-Q.jpg)
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11 years ago 00:04:51 2.2K
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2 months ago 00:32:42 1.9K
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6 years ago 00:31:50 26.1K
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5 months ago 00:15:09 2.3K
