三个24点的题目

来源:百度知道 编辑:UC知道 时间:2024/05/06 15:35:20
一. 3,4,—6,10四个数,用加减乘除四则运算计算出24;
(1)______________________
(2)________________________
(3)________________________
二. 3,6,4,10四个数,用加减乘除四则运算计算出24;
(1)______________________
(2)________________________
(3)________________________
三. 3,5,7,11四个数,用加减乘除四则运算计算出24;
(1)______________________。

一、
(1)3×(4+(-6)+10)
(2)4-(-6)÷3×10
(3)10-4-3×(-6)
二、
(1)3×(4+10-6)
(2)4+6÷3×10
(3)10-4+3×6
三、
(1)(11-5)×(7-3)or(11×7-5)÷3

一.
1: 3 × [(4 +(- 6) + 10]
2: 3 × {[4 +(- 6) + 10]}
3: 3 × [4 + 10 +(- 6)]
4: 3 × {[4 + 10]+( - 6)}
5: 3 × {4 + [10 +(- 6)]}
二.
1: 3 × 6 - 4 + 10
2: (3 × 6) - 4 + 10
3: (3 × 6 - 4) + 10
4: ((3 × 6) - 4) + 10
5: 3 × 6 -(4 - 10)
6: (3 × 6) - (4 - 10)
7: 3 × 6 + 10 - 4
8: (3 × 6) + 10 - 4
9: (3 × 6 + 10) - 4
10: ((3 × 6) + 10) - 4
11: 3 × 6 +(10 - 4)
12: (3 × 6) + (10 - 4)
13: 3 × (4 - 6 + 10)
14: 3 × ((4 - 6) + 10)
15: 3 × (4 - (6 - 10))
16: 3 × (4 + 10 - 6)
17: 3 × ((4 + 10) - 6)
18: 3 × (4 + (10 - 6))
19: 3 × (10 - 6 + 4)
20: 3 × ((10 - 6) + 4)
21: 3 × (10 - (6 - 4))
22: 3 × (10 + 4 - 6)
23: 3 × ((10 + 4) - 6)
24: 3 × (10 + (4 - 6))