vault backup: 2022-02-16 10:08:39

This commit is contained in:
Daniel Bulant 2022-02-16 10:08:39 +01:00
parent 86e940c93a
commit 97276608af
4 changed files with 77 additions and 3 deletions

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@ -12,8 +12,8 @@
"checkpointList": [
{
"path": "/",
"date": "2022-02-15",
"size": 771285
"date": "2022-02-16",
"size": 772115
}
],
"activityHistory": [
@ -39,6 +39,10 @@
{
"date": "2022-02-15",
"value": 2380
},
{
"date": "2022-02-16",
"value": 830
}
]
}

4
notes/Osobnosti.md Normal file
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@ -0,0 +1,4 @@
# Osobnosti
```dataviewjs
dv.table(["Jméno", "Předmět", "Popis"], dv.pages("#osobnosti").sort(u => u.name).map(u => ["[" + u.file.name + "](./" + encodeURI(u.file.path) + ")", u.tags[0], u.desc]))
```

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@ -3,6 +3,12 @@ tags:
- mat
---
# Rovnice
## Úpravy
```ad-sentence
$+;-$ libovolnou hodnotu nebo výraz
$*;:$ libovolnou hodnotu nebo výraz ***kromě 0***
```
## Lineární
$y = ax + b$
![](Pasted%20image%2020211112103252.png)
@ -13,4 +19,63 @@ $y = ax^2 + bx + c$
$x^2-x-2=0$
$-(x_1+x_2)=0$
$x_1*x_2=2$
$x_1 = -1$ ; $x_2 = 2$
$x_1 = -1$ ; $x_2 = 2$
---
$$x-\frac{1-\frac{3x}2}4-\frac{2-\frac{x}4}3=2$$
$$
12x-3(1-\frac{3x}2)-4(2-\frac{x}4)=24
$$
$$
12x-3+\frac{9x}2-8+\frac{4x}4=24
$$
$$
21x+\frac12x=35 \space |*2
$$
$$
43x=70
$$
??? je to špatně
---
$$-2x-\frac72 = x-\frac32(2x+3)+1$$
$$
-4x-7=2x-3(2x+3)+2
$$
$$
-4x-7=2x-6x-9+2
$$
$$
-4x-7=-4x-7
$$
$$
x=x
$$
---
$$
x-\frac{\frac{2x-3}3}2 = 1 +2x
$$
$$
2x-\frac{2x-3}3 = 2+4x
$$
$$
6x-2x-3=6+12x
$$
$$
4x=9+12x
$$
$$
-8x=9
$$
$$
x=-\frac98
$$
prej špatně??
---

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@ -16,6 +16,7 @@ noteOnly: true
- [[har/har|har]]
- [[kbb/kbb|kbb]]
- [[mat/mat|mat]]
- [[Osobnosti|Osobnosti]]
- [[pdv/pdv|pdv]]
- [[preamble.sty|preamble.sty]]
- [[projects/projects|projects]]