简便方法:2.71×6.5+0.21×27.1+2.71

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/19 20:43:32
简便方法:2.71×6.5+0.21×27.1+2.71简便方法:2.71×6.5+0.21×27.1+2.71简便方法:2.71×6.5+0.21×27.1+2.71=2.71x6.5+2.1x2.

简便方法:2.71×6.5+0.21×27.1+2.71
简便方法:2.71×6.5+0.21×27.1+2.71

简便方法:2.71×6.5+0.21×27.1+2.71
=2.71x6.5+2.1x2.71+2.71x1
=2.71x(6.5+2.1+1)
=2.71x9.6
=26.016