用7,7,3,负3算二十四点_数学解答

用7,7,3,负3算二十四点

人气：113 ℃　时间：2020-03-15 14:03:36

解答

7*(3-(-3)/7)=24
7*(3-((-3)/7))=24
7*(3/7-(-3))=24
7*((3/7)-(-3))=24
(3/7-(-3))*7=24
((3/7)-(-3))*7=24
(3-(-3)/7)*7=24
(3-((-3)/7))*7=24
(3-(-3)/7)*7=24
(3-((-3)/7))*7=24
(3/7-(-3))*7=24
((3/7)-(-3))*7=24
7*(3/7-(-3))=24
7*((3/7)-(-3))=24
7*(3-(-3)/7)=24
7*(3-((-3)/7))=24