Предмет: Математика, автор: nuretdinova01

упростить выражение : 2/7(1,4а-3 1/2b)- 1.2(5/6a-0,5b)

Ответы

Автор ответа: ptanyavamp

1

=2/5a-b-a+0.6b=-0.6a-0.4b

nuretdinova01: можно полное решение?

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