7,3,-3,7,12,-13,3,-1算二十四点,求教!看准了!有一个是负三!
1个回答

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

____________________________

12×3+(-13)-(-1)=24