23-17-(+23)
-7-9+(-13)
-11+|12-(39-8)|
-9-|5-(9-45)
-5.6+4.7-|-3.8-3.8｜
-|-0.2|+[0.6-(0.8-5.4)]
9.53-8-(2-|-11.64+1.53-1.36|)
73.17-(812.03-|219.83+518|)
答案是:-17
-29
8
-50
-8.5
5
11
-1.03