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2014-09-16T16:28:41+03:00
0,25=25/100=1/4
1,2=12/10=6/5
4,(5)=41/9
0,(27)=27/99=3/11
1,4(5)=131/90
1,12(16)=(11216-112)/9900=11104/9900=2776/2475
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