8.14+8.14+×9+1.86的简便方法怎算

问题描述:

8.14+8.14+×9+1.86的简便方法怎算

8.14+8.14×9+1.86
=8.14×(1+9)+1.86
=8.14×10+1.86
=81.4+1.86
=83.26