tag:blogger.com,1999:blog-413213147692532190.post4526778409483292061..comments2024-03-15T03:38:22.132-06:00Comments on Real teaching means real learning: Area and perimeter of a triangleDavehttp://www.blogger.com/profile/13790571271386459698noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-413213147692532190.post-64912079212365513412019-12-08T17:06:51.088-07:002019-12-08T17:06:51.088-07:00Не понимаю
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