Skillnad mellan versioner av "3.2 Lösning 11c"

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Maximala boytan <math> \displaystyle = {a\,b \over 4} , \qquad a = 20, \; b = 30 </math>
 
Maximala boytan <math> \displaystyle = {a\,b \over 4} , \qquad a = 20, \; b = 30 </math>
  
:<math> \qquad\qquad \Downarrow </math>  
+
:<math> \qquad\qquad \Downlongarrow </math>  
  
Maximala boytan <math> \displaystyle = {20\cdot 30 \over 4} = 150 \qquad\qquad {\rm OK} </math>
+
Maximala boytan <math> \displaystyle = {20\cdot 30 \over 4} = 150 \qquad {\rm OK} </math>

Versionen från 27 december 2014 kl. 11.34

\[ x = {b \over 2} , \qquad b = 30 \qquad \Longrightarrow \qquad x = 15 \qquad {\rm OK} \]

Maximala boytan \( \displaystyle = {a\,b \over 4} , \qquad a = 20, \; b = 30 \)

\[ \qquad\qquad \Downlongarrow \]

Maximala boytan \( \displaystyle = {20\cdot 30 \over 4} = 150 \qquad {\rm OK} \)