Ответы 1
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sin2x-2sinx=0 2sinxcosx-2sinx=0 /2 sinx(cosx-1)=0 sinx=0 x=pin cosx-1=0 cosx=1 x=2pin
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Автор:
xzaviercline - 5 лет назад
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Проверьте письмо на ошибки(грамматические, пунктуационные и логические) пожалуйста очень надо!!!
Cherepovets
Russia
25 December 2014
Dear Harry,
Thank you for letter. I am glad that. you are fine! I wish you success in study at Hogwarts.
In our school there are no doors that wouldn't unless you asked politely, or tickled them in exactly the right place. In my school doesn't have 142 staircases that led somewhere different on a Friday and staircases with a vinishing step halfway up. In our school, unlike Hogwarts no such subjects as the History of magic and Transfiguration. Also at our school there are not teachers ghost.
In the school we have many subjects, but ma favorite is Maths, becouse i like count, decide tasks, and figure drawing. Maths is divided into two sections on the geometry and algebra. On the lessons of algebra we decide diffe rent tasks and count examples. On the lessons of geometry we draw a line segments and prove Theorem.
Well i had better go now as i have to help Mum.
I am looking forward to your answer
Love,
Marina
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