4 8 8 13四个数字如何才能算出24点
((8*13)-8)/4
((8*13)-8)/4
((13*8)-8)/4
((13*8)-8)/4
----END----
允许开根号时
根号4=2
变成 2 8 8 13
((2*8)-13)*8
((2*8)-13)*8
2*(13-(8/8))
2*(13-(8/8))
8*((2*8)-13)
((8*2)-13)*8
8*((8*2)-13)
8*((13-2)-8)
8*(13-(2 8))
8*((13-8)-2)
8*(13-(8 2))
8*((2*8)-13)
((8*2)-13)*8
8*((8*2)-13)
8*((13-2)-8)
8*(13-(2 8))
8*((13-8)-2)
8*(13-(8 2))
((13-2)-8)*8
(13-(2 8))*8
((13-2)-8)*8
(13-(2 8))*8
((13-8)-2)*8
(13-(8 2))*8
(13-(8/8))*2
((13-8)-2)*8
(13-(8 2))*8
(13-(8/8))*2
----END----
*******************************
可以开立方根时
(2*13)-(8/4)
(8/(4/13))-2
((8/4)*13)-2
((8*13)/4)-2
(8*(13/4))-2
(13/(4/8))-2
((13/4)*8)-2
(13*2)-(8/4)
((13*8)/4)-2
(13*(8/4))-2
----END----
**********************
可以开两个立方根时
((4-2)*13)-2
(4/(2/13))-2
((4/2)*13)-2
((4-2)*13)-2
(4/(2/13))-2
((4/2)*13)-2
((4*13)/2)-2
(4*(13/2))-2
((4*13)/2)-2
(4*(13/2))-2
2-(4-(2*13))
(2-4) (2*13)
2-(4-(13*2))
(2-4) (13*2)
2 ((2*13)-4)
(2 (2*13))-4
(2*13)-(4-2)
((2*13)-4) 2
(2*13)-(4/2)
2 ((13*2)-4)
(2 (13*2))-4
((2*13) 2)-4
(2*13) (2-4)
2-(4-(2*13))
(2-4) (2*13)
2-(4-(13*2))
(2-4) (13*2)
2 ((2*13)-4)
(2 (2*13))-4
(2*13)-(4-2)
((2*13)-4) 2
(2*13)-(4/2)
2 ((13*2)-4)
(2 (13*2))-4
((2*13) 2)-4
(2*13) (2-4)
(13*(4-2))-2
((13*4)/2)-2
(13*(4/2))-2
(13*(4-2))-2
((13*4)/2)-2
(13*(4/2))-2
(13/(2/4))-2
((13/2)*4)-2
(13*2)-(4-2)
((13*2)-4) 2
(13*2)-(4/2)
((13*2) 2)-4
(13*2) (2-4)
(13/(2/4))-2
((13/2)*4)-2
(13*2)-(4-2)
((13*2)-4) 2
(13*2)-(4/2)
((13*2) 2)-4
(13*2) (2-4)
----END----
平方立方都可以时
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2-(2*(2-13))
2-((2-13)*2)
2 (2*(13-2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
2 ((13-2)*2)
(2*(13-2)) 2
2*(13-(2/2))
(13-(2/2))*2
((13-2)*2) 2
(13-(2/2))*2
((13-2)*2) 2
(13-(2/2))*2
((13-2)*2) 2
(13-(2/2))*2
((13-2)*2) 2
(13-(2/2))*2
((13-2)*2) 2
(13-(2/2))*2
((13-2)*2) 2
----END----。
答:(8 × 13 - 8) ÷ 4 (13 × 8 - 8) ÷ 4详情>>
答:详情>>