用简便方法计算1.1*11*1.1-1.1*1.1-1.1
来源:学生学帮网 编辑:学帮网 时间:2024/06/05 21:58:44
用简便方法计算1.1*11*1.1-1.1*1.1-1.1
1.1*11*1.1-1.1*1.1-1.1
=1.1*1.1*(11-1)-1.1
=1.1*1.1*10-1.1
=1.1*11-1.1
=1.1*(11-1)
=1.1*10
=11
用简便方法计算1.1*11*1.1-1.1*1.1-1.1
1.1*11*1.1-1.1*1.1-1.1
=1.1*1.1*(11-1)-1.1
=1.1*1.1*10-1.1
=1.1*11-1.1
=1.1*(11-1)
=1.1*10
=11