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Not a Problem
O GeoGebra (online e app) não estão entendendo o comando "reta(<ponto>,<vetor diretor>)", estão achando que é "reta(<ponto>,<ponto>)".
Files:
geogebra_ponto_...
The same problem 
If you type just coordinates, GG will always regard them as a point no matter which syntax option you select. The options just indicate what's possible, and don't determine that coordinates are points whether vectors. So if you define u = (2,1,3) and Line( (1,1,1), u) GeoGebra knows the first parameter is a point, the second parameter is a vector and will create the line you wanted.
Of course you can also define Line((1,1,1), Vector((0,0,0), (2,1,3))) to get the same result.
chris
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