去东北证券上班怎么样:算24:7 5 8 1

来源:百度文库 编辑:杭州交通信息网 时间:2024/05/11 00:42:48

(1)(7+1)*(8-5)
(2)(7-5+1)*8
=(2+1)*8
=3*8
=24

(7+1)*(8-5)

(7-5+1)*8
=(2+1)*8
=3*8
=24

(1)(7+1)*(8-5)
(2)(7-5+1)*8
=(2+1)*8
=3*8
=24