During the operations which have been conducted in Nangarhar, Wardak, Uruzgan, Logar and Khost provinces, 12 more militants were injured and 11 others arrested.
The troops have also seized a number of arms and ammunition including 28 landmines during the operations, the statement added.
However, the statement did not say if there were any casualties on the security personnel.
Taliban militants fighting the government have not commented on the issue, Xinhua reported.