25.27-4.9+3.73-15.1 要简便

来源:学生作业帮助网 编辑:六六作业网 时间:2024/12/23 08:18:49
25.27-4.9+3.73-15.1要简便25.27-4.9+3.73-15.1要简便25.27-4.9+3.73-15.1要简便25.27-4.9+3.73-15.1=(25.27+3.73)-(

25.27-4.9+3.73-15.1 要简便
25.27-4.9+3.73-15.1 要简便

25.27-4.9+3.73-15.1 要简便
25.27-4.9+3.73-15.1
=(25.27+3.73)-(4.9+15.1)
=29-20
=9

25.27-4.9+3.73-15.1
=(25.27+3.73)-(4.9+15.1)
=29-20
=9

25.27-4.9+3.73-15.1
=(25.27+3.73)-(15.1+4.9)
=29-20
=9