18-(1.4+1.25×2.4) 怎么算?(脱式)

来源:学生作业帮助网 编辑:作业帮 时间:2024/05/12 06:07:36
18-(1.4+1.25×2.4) 怎么算?(脱式)

18-(1.4+1.25×2.4) 怎么算?(脱式)
18-(1.4+1.25×2.4) 怎么算?(脱式)

18-(1.4+1.25×2.4) 怎么算?(脱式)
解原式=18-(1.4+1.25×0.8*3)
=18-(1.4+3)
=18-1.6
=16.4

什么叫脱式?不懂~~~~~~

=18-(1.4+3)
=18-4.4
=13.6