17.2-5.36-4.64怎样简便计算

问题描述:

17.2-5.36-4.64怎样简便计算

17.2-5.36-4.64
=17.2-(5.36+4.64)
=17.2-10
=7.2

=17.2-(5.36+4.64)=7.2

17.2-5.36-4.64
=17.2-(5.36+4.64)
=17.2-10
=7.2