有关算24点

来源:百度知道 编辑:UC知道 时间:2024/09/28 17:53:02
3,3,7,7算24点 大家帮帮忙
可用分数 要有过程!!!!!!!++~~-~~~~-~~~++

(3+3÷7)×7
=3×7+3÷7×7
=21+3
=24

{根号[(7-3)×(7-3)]}!
={根号[4×4]}!
={根号16}!
=4!
=1×2×3×4
=24
顺便说一下:根号是开方,!是阶乘
(N的阶乘定义为:N!=1×2×3.....×N)

无解

7*(3/7+3)
7*((3/7)+3)
7*(3+3/7)
7*(3+(3/7))
(3/7+3)*7
((3/7)+3)*7
(3+3/7)*7
(3+(3/7))*7

1: (3 + 3 ÷ 7) × 7
2: (3 + (3 ÷ 7)) × 7
3: (3 ÷ 7 + 3) × 7
4: ((3 ÷ 7) + 3) × 7
5: 7 × (3 + 3 ÷ 7)
6: 7 × (3 + (3 ÷ 7))
7: 7 × (3 ÷ 7 + 3)
8: 7 × ((3 ÷ 7) + 3)