简便计算41.06-19.72-20.287又5分之2-3又8分之3+8分之38又7分之4+2又9分之5-9分之511又3分之2+7又5分之2+3又5分之3

Question

简便计算
41.06-19.72-20.28
7又5分之2-3又8分之3+8分之3
8又7分之4+2又9分之5-9分之5
11又3分之2+7又5分之2+3又5分之3

Answer 1

41.06-19.72-20.28
=41.06-（19.72+20.28）
=41.06-40
=0.06
37/5-27/3+3/8
=37/5--(27/3-3/8)
=37/5-3
=22/5
60/7+23/9-5/9
=60/7+(23/9-5/9)
=60/7+2
=74/7
35/3+37/5+18/5
=35/3+(37/5+18/5)
=35/3+11
=68/3