5445 53-33+53 82-5072-40
10099 6+30 63 75-30 57-30
83-=43 32+=40 -20<28
+30=74 -9=35 62-=56+
41+839
45+3040+35
84-775
38+4081-9
82-4051-9
66+786-8
35+4070 4525+20 62+562+10