9.2-2.64-3.14-0.22怎样简便计算

问题描述:

9.2-2.64-3.14-0.22怎样简便计算

=9.2-(2.64+3.14+0.22)
=9.2-6
=3.2

9.2-2.64-3.14-0.22
=9.2-(2.64+3.14+0.22)
=9.2-6
=3.2

9.2-(2.64+3.14+0.22)=9.2-6=3.2

9.2-(2.64+0.22+0.22)
=9.2-6
=3.2