Irina

Bulgaria

Joined: 22/02/2011

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Irina's PowerPoint Presentations

Recent Activity

дани commented on Irina1963's presentation "електричен заряд"

117 months ago

електричен заряд

електричен заряд, строеж на атома, наелектризиране на телата

Views: 37

Comment (1)

дани : molq vi napravete q da moje da se izteglq

117 months ago

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дани commented on Irina1963's presentation "кислород"

117 months ago

кислород

кислород, свойства на кислорода, градивни частици на кислорода, физични и химични свойства

Views: 98

Comment (1)

дани : molya wi iskam da izteglq prezentaciata za elektrichen zarqd

117 months ago

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