from github to this gitea

daily/2022-10-21.md

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+## Todo
+- [ ] spaced repetition
+- [ ] kung-fu
+## I did
+### Helped praly
+$$
+\begin{align} (S) &\iff \begin{cases}x &+y&+2z &= 5\\ x &- y &- z &= 5\\ x &&+ z &=  3\end{cases}  \\[1em]
+&\iff \begin{cases}x&+y&+2z &= 5 \\
+                 &-y &-2z &= 2 && L_{2} \leftarrow L_{2}-L_{3}\\
+                x &  &+z &= 3\end{cases} \\[1em]
+&\iff \begin{cases}x &+y &+2z &= 5 \\
+                  &-y &-2z &= 2 \\
+                  &   &z   &= -4&& L_{3} \leftarrow - L_{1} - L_{2} + L_{3}\end{cases} \\[1ex]
+&\iff \begin{cases}x &+y&&=13 \\
+                  &y &   &= 6 \\
+                  &  &  z&=-4\end{cases} \\[1ex]
+&\iff \begin{cases}x=7 \\
+                y=6 \\
+                z=-4\end{cases}
+\end{align}
+$$
+
+## Devoirs
+> [!smalltodo] Devoirs
+> ```dataview
+> TABLE difficulty as "", due as "date", title as "description", file.etags as "tags"
+> FROM #devoir
+> WHERE contains(due, date(this.file.name))
+> ```
+> > [!done]- Devoirs faits
+> > ```dataview
+> > TABLE difficulty as "", due as "date", title as "description"
+> > FROM #devoir-fait
+> > WHERE contains(due, date(this.file.name))
+> > ```
+
+> [!smallquery] anniversaires `=this.file.name`
+> ```dataview
+> TABLE title, anniv
+> FROM #personne 
+> WHERE contains(this.file.name, anniv)
+> ```
+## I am gratefull to
+