2.6×11.9-19×26%怎样简便计算_数学解答

2.6×11.9-19×26%怎样简便计算

人气：216 ℃　时间：2019-12-10 00:26:54

解答

2.6×11.9-19×26%
=2.6×11.9-19×0.26
=0.26×119-19×0.26
=0.26×(119-19)
=0.26×100
=26