Решите уравнения: 1/9z+7/18z-11/27z= =2 1/2 A-13/18a=1/3. Created by 1SASHA4. matematika-ru

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August 2022 2 11 Report

Решите уравнения: 1/9z+7/18z-11/27z=
=2 1/2
A-13/18a=1/3

1301c 1/9z+7/18z-11/27z=2 1/2
1/2z-11/27z=2 1/2
5/27z=2 1/2
z=2 1/2:5/27
z=13.5

а-13/18а=1/3
5/18а=1/3
а=1/3:5/18
а=1,2

11 votes Thanks 12

kiskam Сначала привести все к одному знаменателю
1)
6/54(z)+21/54(z)-22/54(z)=108/54
5/54(z)=108/54
z=108/5

2)
9/18(a)-13/18(a)=6/18
-4/18(a)=6/18
a=-6/4

10 votes Thanks 6

kiskam тьфу ты. неправильно увидел задание. лучше фоткать.

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