Blahušiaková, N.: Komparácia a elektronické spracovanie učebníc matematiky
Úpravy lineárnych rovníc
Výsledky
7.1. Rovnosť a rovnica
Úlohy: 2.a)
; b)
; c)
; d)
; 3.a)
; b)
; c)
; d)
; e)
; f)
; 4.a)
; b)
; c)
; d)
; 5.a) áno ; b) áno ; c) nie ; 7.a)
;
; b)
;
; c)
;
; d)
;
; 8.a)
; b)
; c)
; d)
.
Cvičenia: 2.a)
; b)
; c)
; d)
; 3.a)
; b)
; c)
; d)
; 4.a)
; b)
; c)
; d)
;
5.a)
; b)
; c)
; 6.a)
; b)
; c)
; 7.a) áno ; b) nie ; c) nie ; d) áno ; 8.a)
; b)
; 10.a)
; b)
; c)
; d)
.
Úlohy: 2.a)
![\neq \neq](https://lms.umb.sk/filter/tex/pix.php/a89f23bc5e231b319d807941a591543b.png)
![= =](https://lms.umb.sk/filter/tex/pix.php/43ec3e5dee6e706af7766fffea512721.png)
![\neq \neq](https://lms.umb.sk/filter/tex/pix.php/a89f23bc5e231b319d807941a591543b.png)
![= =](https://lms.umb.sk/filter/tex/pix.php/43ec3e5dee6e706af7766fffea512721.png)
![7x + 6 7x + 6](https://lms.umb.sk/filter/tex/pix.php/b376628c024d27f9c887ecb39b6bc71c.png)
![3y - 12 3y - 12](https://lms.umb.sk/filter/tex/pix.php/acad2278a399753e61c36ff1df37897b.png)
![1,6z - 2 1,6z - 2](https://lms.umb.sk/filter/tex/pix.php/b7ca53c171a88d68e97196476426022c.png)
![a - 11 a - 11](https://lms.umb.sk/filter/tex/pix.php/ed59127dbda1bb64968506fd2dad012e.png)
![-0,8 + 0,4b -0,8 + 0,4b](https://lms.umb.sk/filter/tex/pix.php/5f3b0a252909d5b35397366fc69c4fab.png)
![5c + 3 5c + 3](https://lms.umb.sk/filter/tex/pix.php/ab11db96353476118ef767f6e518a143.png)
![17(x + 2) 17(x + 2)](https://lms.umb.sk/filter/tex/pix.php/41d86b61a951f30455c62ed689831181.png)
![3(4 - 3y) 3(4 - 3y)](https://lms.umb.sk/filter/tex/pix.php/6a49b81721e0097201259531e3ad6abf.png)
![2(4 + 5z) 2(4 + 5z)](https://lms.umb.sk/filter/tex/pix.php/369f2c453d2f698ff8c1378615ad878d.png)
![8(2s - 1) 8(2s - 1)](https://lms.umb.sk/filter/tex/pix.php/2ec33e7aaa1aaa021249a73ab5aba0b3.png)
![x + 6 = 2 x + 6 = 2](https://lms.umb.sk/filter/tex/pix.php/4609520453f9a44313cb7b99eff7eeb0.png)
![x = -4 x = -4](https://lms.umb.sk/filter/tex/pix.php/be1916cacf3e26bb674d38aa2e5146ec.png)
![x - \frac{1}{2} = \frac{1}{4} x - \frac{1}{2} = \frac{1}{4}](https://lms.umb.sk/filter/tex/pix.php/6781d65add77e6c33651b4a3087ea8e1.png)
![x = \frac{3}{4} x = \frac{3}{4}](https://lms.umb.sk/filter/tex/pix.php/c560229f452c3c374115281996b53808.png)
![x : 5,2 = 2 x : 5,2 = 2](https://lms.umb.sk/filter/tex/pix.php/adbaf9c3a06967861d7809b1db859be0.png)
![x = 10,4 x = 10,4](https://lms.umb.sk/filter/tex/pix.php/7df57179ddde3cd100d0e5a6ad58d80a.png)
![x . 3 = 3,3 x . 3 = 3,3](https://lms.umb.sk/filter/tex/pix.php/d14fe8bdf62edd071ec89d1638181d39.png)
![x = 1,1 x = 1,1](https://lms.umb.sk/filter/tex/pix.php/931fc80fc57b168cc154f0a67d5defdb.png)
![y = -3,7 y = -3,7](https://lms.umb.sk/filter/tex/pix.php/2571d8994f4f485e21bfd790c19b1987.png)
![z = 0,5 z = 0,5](https://lms.umb.sk/filter/tex/pix.php/7ee401ead80bad5e1a83f858e209f000.png)
![a = \frac{1}{4} a = \frac{1}{4}](https://lms.umb.sk/filter/tex/pix.php/b2cc46f0da36d40ba6945ffd885f03b7.png)
![b = \frac{11}{5} b = \frac{11}{5}](https://lms.umb.sk/filter/tex/pix.php/fda96e657c364b8c413c7ae20e8c77c4.png)
Cvičenia: 2.a)
![\neq \neq](https://lms.umb.sk/filter/tex/pix.php/a89f23bc5e231b319d807941a591543b.png)
![\neq \neq](https://lms.umb.sk/filter/tex/pix.php/a89f23bc5e231b319d807941a591543b.png)
![= =](https://lms.umb.sk/filter/tex/pix.php/43ec3e5dee6e706af7766fffea512721.png)
![= =](https://lms.umb.sk/filter/tex/pix.php/43ec3e5dee6e706af7766fffea512721.png)
![2x + 6 2x + 6](https://lms.umb.sk/filter/tex/pix.php/b0ec088ae764169e0ca6e272daf24a0e.png)
![2x
- 2 2x
- 2](https://lms.umb.sk/filter/tex/pix.php/4abdffe5dcc9509be2748cf98281aad6.png)
![-2x + 2 -2x + 2](https://lms.umb.sk/filter/tex/pix.php/cb7a190935a3657398ae74c15a55a35d.png)
![2x + 6 2x + 6](https://lms.umb.sk/filter/tex/pix.php/532b3257551652e7fa148e6678f68e2d.png)
![22 22](https://lms.umb.sk/filter/tex/pix.php/2b442e8beab0e43f4e272f5280566df1.png)
![24,6y + 15 24,6y + 15](https://lms.umb.sk/filter/tex/pix.php/396162c132f598f1e43245113969326d.png)
![0,2y 0,2y](https://lms.umb.sk/filter/tex/pix.php/88462a48a6fd6beea0623539f0f16194.png)
![-0,5 - 0,5y -0,5 - 0,5y](https://lms.umb.sk/filter/tex/pix.php/7c7a7268904c6902c361205d1aa802a9.png)
![x = 5 x = 5](https://lms.umb.sk/filter/tex/pix.php/64cb7d1cc934629ce9d0d8d07536952b.png)
![x = - \frac{1}{7} x = - \frac{1}{7}](https://lms.umb.sk/filter/tex/pix.php/e759242a73af2cfa54e6160117b0a1c7.png)
![x = 2 x = 2](https://lms.umb.sk/filter/tex/pix.php/a124de930ea74cbb3991c742ba7504d4.png)
![4a + 5 4a + 5](https://lms.umb.sk/filter/tex/pix.php/1adcc344850d42d2accc2ada589e404c.png)
![4,4a 4,4a](https://lms.umb.sk/filter/tex/pix.php/c88bd6efa2cb827628bf392895dc7880.png)
![\frac{10}{3}
a \frac{10}{3}
a](https://lms.umb.sk/filter/tex/pix.php/e7e3c7e2d89f85691c455fd8b9788c31.png)
![x = 2 x = 2](https://lms.umb.sk/filter/tex/pix.php/a124de930ea74cbb3991c742ba7504d4.png)
![x
= -1 x
= -1](https://lms.umb.sk/filter/tex/pix.php/1195a36723eccce503075e55447c9796.png)
![x = 1 x = 1](https://lms.umb.sk/filter/tex/pix.php/d37ffc54b67ce8de1f01efb1f2e33689.png)
![z = -\frac{1}{10} z = -\frac{1}{10}](https://lms.umb.sk/filter/tex/pix.php/0bfdc8381e54de6f17ba5cb5848ad2bc.png)
![y = \frac{7}{2} y = \frac{7}{2}](https://lms.umb.sk/filter/tex/pix.php/620f6391e30b43b1693b93fa84d2c0e0.png)
![x = 0 x = 0](https://lms.umb.sk/filter/tex/pix.php/3dad28281778d5ef4b7a78c7bc7a6b09.png)