Предмет: Геометрия, автор: Аноним

ХЕЛП!!! СРОЧНО ГЕОМЕТРИЯ, ДАЮ 50Б!!!!!!!!!

Зделать полное решение с дано(если оно там есть)​

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Автор ответа: romannn2803
1

Ответ:

6/5=2/DF

произведение крайних = прлизведению среднмх

5×2÷6=10/6= одна целая 2/3 (первый ответ выбирайте)

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Помогите решить.
Укажите равенства, верные при всех значениях переменных.


12a+5b-12b-a=5b-a

3x+2y-4-3x-4=2y-8

m-5n+8m+5n-1=9m-10n-1

2c+5d-3c-4d=d-c
8 лет назад