Автор - bikmulinkarim567

пж аомогите все 9 уравнений​

Ответ

Автор - dal2003
1) 2а-3=25, 2а= 25+3=28, а=14 2) 34+18:b=43, 18:b=43-34=9, b=2 3) (80-c):8=7, 80-c=56,c= 24 4) k+4k+6k=55 11k=55 k=5, 5) 8m-3m-2m=72 3m=72 m =24 6) 9n-n+4n=60 12n=60 n=5

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