Предмет: Математика, автор: Korhac

Обчислити двома способами 57+29

Ответы

Автор ответа: mirosnikmargarita275

Ответ:

57+29=86

86-29=57

23+34=57

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Architects design all kinds of buildings. They design schools and skyscrapers. They design hospitals and hotels. They also design churches, train stations and plain old regular houses.

Any building that is used by people was probably designed by some architect.

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An office building will need lots of small rooms for offices. A school will need many medium-sized rooms for classrooms. And a train station will need one larger room for hundreds of people to pass thru at the same time.

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A few years ago an architect had a real surprise when one of the buildings he designed collapsed under the weight of a foot of wet snow. The building was a sports arena with a large, curved roof. The heavy snow put so much pressure on the roof that the roof collapsed. Luckily nobody was in the sports arena at the time.

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