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16 jul 2014
 #1
avatar+5478 
+21
16 jul 2014
15 jul 2014
 #1
avatar+5478 
+18
15 jul 2014
 #1
avatar+5478 
+21

Usa la calculadora http://web2.0calc.com/ y usa el cerebro

$${\mathtt{30}}{\mathtt{\,\times\,}}{\mathtt{100}} = {\mathtt{3\,000}}$$

$${\mathtt{30}}{\mathtt{\,\times\,}}{\mathtt{20}} = {\mathtt{600}}$$

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15 jul 2014
14 jul 2014
13 jul 2014
 #2
avatar+8262 
0
13 jul 2014
11 jul 2014
 #2
avatar+8262 
0
11 jul 2014

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