Cevaplar

2013-02-11T16:30:09+02:00

dar açı denirrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrrr

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2013-02-11T16:30:24+02:00

dar açı denirrrrrrr. 90 dereceden küçükse 

 

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