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2014-11-08T19:14:53+02:00
1intreg 2/9=(1·9+2)/9=11/9
11/9-2x=1/9
-2x=1/9-11/9
-2x=-10/9          (-1)
2x/1=10/9
2x·9=10·1
18x=10
x=10/18 simplif
x=5/9=0,(5)
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