Update cheatsheet.fr.md

12.temporary_ins/80.energie-transformations-applications-impacts/20.n2/50.energy-mix/40.TD-hydroelectricity/50.parallel-1/cheatsheet.fr.md

@@ -90,18 +90,20 @@ $`\hspace{1,1cm}=\dfrac{6\times 3\times 1}{2}\times 10^{3+3+2}`$
 **$`\boldsymbol{\mathbf{E_{\,stock}^{\,grav}=
 \varrho_{eau}\times\dfrac{L\times l \times h}{2}\times g \times H}}`$**
 
-$`=10^3\times\dfrac{6\times 3 \times 1 \times 10^{3+3+2}}{2}\times 10^1 \times 1,5\cdot10^2`$  
+$`\;=10^3\times\dfrac{6\times 3 \times 1 \times 10^{3+3+2}}{2}\times 10^1 \times 1,5\cdot10^2`$  
 
-*$`\mathbf{= 13,5\times 10^{14}\,J}`$*   
+*$`\;\mathbf{= 13,5\times 10^{14}\,J}`$*   
 
-$`= (13,5\times 10^{14}\,J)\times \left(\dfrac{1}{3,6\times 10^6}\,kWh.J^{-1}\right)`$   
+$`\;= (13,5\times 10^{14}\,J)\times \left(\dfrac{1}{3,6\times 10^6}\,kWh.J^{-1}\right)`$   
 
-**$\mathbf{= 3,75 \times 10^8 \,kWh = 375 \,GWh}`$**
+**$\;\mathbf{= 3,75 \times 10^8 \,kWh = 375 \,GWh}`$**
 
 <!--**$`\mathbf{E_{\,stock}^{\,grav}= 3,75 \times 10^8 \,kWh = 375 \,GWh}`$**-->
 
 </details>
 
+<br>
+
 !! <details markdown=1><summary>Comparaison : lac et barrage de Serre-Ponson (Hautes-Alpes, France)</summary>
 !!
 !! * Lac de Serre-Ponson : 90km de berges, $`\mathbf{L=20\,km}`$ et $`\mathbf{l=3\,km}`$ à son niveau maximum.