86*13.7-18.6*0.37

来源:学生作业帮助网 编辑:作业帮 时间:2024/04/28 23:11:23
86*13.7-18.6*0.37

86*13.7-18.6*0.37
86*13.7-18.6*0.37

86*13.7-18.6*0.37
1.86*13.7-18.6*0.37
=1.86*13.7-1.86*3.7
=1.86*(13.7-3.7)
=1.86*10
=18.6

你好,冬瓜皮111
1.86×13.7-18.6×0.37
=1.86×13.7-1.86×3.7
=1.86×(13.7-3.7)(乘法分配律)
=1.86×10
=18.6

=18.6*1.37-18.6*0.37
=18.6*(1.37-0.37)
=18.6*1
=18.6

1.86*13.7-18.6*0.37
=1.86*(13.7-3.7)
=1.86*10
=18.6