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mashenka204
@mashenka204
July 2022
2
15
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Решите уравнение 13•(22+x)=15•(22-x)
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Shelkovaia
=286+13х=330-15х
13х+15х=330-286
28х=44
х=44:28
х=11/7
x=1 ц 4/7
4 votes
Thanks 6
gvikamiki
...........................
4 votes
Thanks 2
mashenka204
Ответ 1,57?
gvikamiki
ну да 44/28 ето примерно так
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Answers & Comments
13х+15х=330-286
28х=44
х=44:28
х=11/7
x=1 ц 4/7