Предмет: Математика, автор: reshalo1234

пожалуйста помогите упростить
0.4(3в-5а)-5(7в-4а)

Ответы

Автор ответа: www0684
2

Ответ:

1.2в-2а-35в+20а=33.8в+18а=

reshalo1234: это полное решение?
www0684: можно еще 2 вынести за скобки 2(16.9в+9а)
reshalo1234: спс
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