13.83-(9.56-6.17)-3.44的简便计算怎么做
问题描述:
13.83-(9.56-6.17)-3.44的简便计算怎么做
13.83-(9.56-6.17)-3.44=
答
13.83-(9.56-6.17)-3.44
=13.83-9.56+6.17-3.44
=(13.83+6.17)-(9.56-3.44)
=20-13
=7