Freelance crossword setter given arithmetic - maybe '100 - 10?'

Dietary requirement of thick, vacant tearaway on drugs9 Agricultural establishment4 Giuseppe __, a 16th century Italian painter best known for creating portrait heads made entirely of objects such as fruits, vegetables, flowers, fish and books10 Fellow mistakenly handled it before the end of footy game11 Small fleet8 Travelling restaurant I see going around the capital of Denmark7 Country whose capital is Tashkent10 Helicopter blade5