Gruppe 6: Unterschied zwischen den Versionen

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Lösung:
 
Lösung:
  
<span style="border: 2px solid #00cd00;">1.</span>  3m<math>\cdot</math>7m= 21m²
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<span style="border: 2px solid #00cd00;">A1.</span>  3m<math>\cdot</math>7m= 21m²
 
     21m²-[(1m<math>\cdot</math>1,25m)<math>\cdot</math>2]
 
     21m²-[(1m<math>\cdot</math>1,25m)<math>\cdot</math>2]
 
     21m²-2,5m²=18,5m²
 
     21m²-2,5m²=18,5m²
  
<span style="border: 2px solid #00cd00;">2.</span>  0,5<math>\cdot</math>3,5m=12,25m²
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<span style="border: 2px solid #00cd00;">A2.</span>  0,5<math>\cdot</math>3,5m=12,25m²
  
<span style="border: 2px solid #00cd00;">3.</span>  0,90m<math>\cdot</math>7m=6,30m²
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<span style="border: 2px solid #00cd00;">A3.</span>  0,90m<math>\cdot</math>7m=6,30m²
 
     6,30m²+12,25m²=18,55m²
 
     6,30m²+12,25m²=18,55m²
 
     18,55m²-4m²=14,55m²
 
     18,55m²-4m²=14,55m²
 
     14,55m²+18,50m²=<u>33,05m²</u>  
 
     14,55m²+18,50m²=<u>33,05m²</u>  
  
<span style="border: 2px solid #00cd00;">4.</span>  14,55m²
+
<span style="border: 2px solid #00cd00;">A4</span>  14,55m²
  
<span style="border: 2px solid #00cd00;">5.</span>  3m<math>\cdot</math>7m=21m²
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<span style="border: 2px solid #00cd00;">A5</span>  3m<math>\cdot</math>7m=21m²
     21m²-(2m²+1,5m²+4m²)=
+
     21m²-(2m²http://wikis.zum.de/dmuw/index.php?title=Modellierung/Hausbau/Gruppe_6&action=edit+1,5m²+4m²)=
 
     21m²-7,5m²=13,50m²
 
     21m²-7,5m²=13,50m²
 
     13,50m²+14,55m²=<u>28,05m²</u>
 
     13,50m²+14,55m²=<u>28,05m²</u>
  
<span style="border: 2px solid #00cd00;">6.</span>  3,90m<math\cdot></math>12m=45,8m²
+
<span style="border: 2px solid #00cd00;">A6</span>  3,90m<math\cdot></math>12m=45,8m²
 
     46,8m²-(3,60m²+3,75m²)=
 
     46,8m²-(3,60m²+3,75m²)=
 
     46,8m²-7,35m²=<u>39,45m²</u>
 
     46,8m²-7,35m²=<u>39,45m²</u>
  
<span style="border: 2px solid #00cd00;">7.</span>  3,90m²<math>\cdot</math>3m=11,7m²
+
<span style="border: 2px solid #00cd00;">A7</span>  3,90m²<math>\cdot</math>3m=11,7m²
 
     11,7m²-1,25m²=10,45m²
 
     11,7m²-1,25m²=10,45m²
  
<span style="border: 2px solid #00cd00;">8.</span>  3m<math>\cdot</math>
+
<span style="border: 2px solid #00cd00;">A8</span>  3m<math>\cdot</math>2m=6m²
 +
 
 +
<span style="border: 2px solid #00cd00;">A9</span>  0,5<math>\cdot</math>0,9m<math>\cdot</math>1m=
 +
    0,45m²<math>\cdot</math>2m=0,90m²
 +
 
 +
<span style="border: 2px solid #00cd00;">A10</span> 10,45m²<math>\cdot</math>2m=20,9m²
 +
 
 +
<span style="border: 2px solid #00cd00;">A11</span> 4m<math>\cdot</math>3m=12m²
 +
    12m²-(2m<math>\cdot</math>2,5m)=7m²

Version vom 29. Oktober 2010, 14:36 Uhr

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Aufgabe:
Familie Lumi will ein Haus bauen. Herr Lumi hat beschlossen, es alles selber zu machen. Jetzt stellt sich aber die große Frage, wie viele Ziegelsteine er denn überhaupt bestellen muss, um so ein Haus wie auf den Bildern bauen zu können! Kannst du ihm da weiterhelfen??

Lösung:

A1. 3m\cdot7m= 21m²

   21m²-[(1m\cdot1,25m)\cdot2]
   21m²-2,5m²=18,5m²

A2. 0,5\cdot3,5m=12,25m²

A3. 0,90m\cdot7m=6,30m²

   6,30m²+12,25m²=18,55m²
   18,55m²-4m²=14,55m²
   14,55m²+18,50m²=33,05m² 

A4 14,55m²

A5 3m\cdot7m=21m²

   21m²-(2m²http://wikis.zum.de/dmuw/index.php?title=Modellierung/Hausbau/Gruppe_6&action=edit+1,5m²+4m²)=
   21m²-7,5m²=13,50m²
   13,50m²+14,55m²=28,05m²

A6 3,90m<math\cdot></math>12m=45,8m²

   46,8m²-(3,60m²+3,75m²)=
   46,8m²-7,35m²=39,45m²

A7 3,90m²\cdot3m=11,7m²

   11,7m²-1,25m²=10,45m²

A8 3m\cdot2m=6m²

A9 0,5\cdot0,9m\cdot1m=

   0,45m²\cdot2m=0,90m²

A10 10,45m²\cdot2m=20,9m²

A11 4m\cdot3m=12m²

   12m²-(2m\cdot2,5m)=7m²