Предмет: Математика, автор: fgfgsgsfgfvsfss

решите уровнения a)y-2.1/5=5.2/5,б)(x-3.13/21)+2.10/21=7.2/21 СРОЧНОООО ПРОШУУУ!!!!!

Ответы

Автор ответа: arsenyachervin
0
) х-3 13/21+2 10/21=7 2/21
х=7 2/21+3 13/21-2 10/21
х=8 5/21
Автор ответа: arsenyachervin
0
блин это б сори
Автор ответа: arsenyachervin
0
у= 5  2/5 + 2  1/5
у= 7  3/5
Автор ответа: fgfgsgsfgfvsfss
0
не чего
Автор ответа: arsenyachervin
0
вот а
Автор ответа: fgfgsgsfgfvsfss
0
спс
Автор ответа: miki68
0
у= 5 2/5+2 1/5
у=7 3/5
------------------------
х-3 13/21=7 2/21-2 10/21
х=4 13/21+3 13/21
х=8 5/21
Автор ответа: fgfgsgsfgfvsfss
0
че а), че б)
Автор ответа: fgfgsgsfgfvsfss
0
???????
Автор ответа: fgfgsgsfgfvsfss
0
аааа все
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