Предмет: Математика, автор: 19652002

(14-у)*4-9=19 уравнения 3 класс

Ответы

Автор ответа: офли

56 - 4у - 9 =19

неизвестное влевую часть известное в правую

-4у= 19+9-56

-4у=-18

у=-18/-4

у=4,5

Автор ответа: Анек666

56 - 4у - 9 =19
-4у=-18
у=-18/-4
у=4,5

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