24点3则：11，11，1，5；8，5，2，7；1，4，5，6. 24点（11，11，1，5)(8,5,2,7)(1,4,5,...
\u7b9724\u70b9\u9898\u76ee:11,11,1,5;8,5,2,7;1,4,5,611, 11, 1, 5\u768424\u70b9\u7b54\u6848
1: (11 \u00d7 11 - 1) \u00f7 5
2: ((11 \u00d7 11) - 1) \u00f7 5
8, 5, 2, 7\u768424\u70b9\u7b54\u6848\uff1a
1: 8 \u00d7 (5 \u00d7 2 - 7)
2: 8 \u00d7 ((5 \u00d7 2) - 7)
3: 8 \u00d7 (2 \u00d7 5 - 7)
4: 8 \u00d7 ((2 \u00d7 5) - 7)
5: (5 \u00d7 2 - 7) \u00d7 8
6: ((5 \u00d7 2) - 7) \u00d7 8
7: (2 \u00d7 5 - 7) \u00d7 8
8: ((2 \u00d7 5) - 7) \u00d7 8
1, 4, 5, 6\u768424\u70b9\u7b54\u6848\uff1a
1: 4 \u00f7 (1 - 5 \u00f7 6)
2: 4 \u00f7 (1 - (5 \u00f7 6))
3: 6 \u00f7 (5 \u00f7 4 - 1)
4: 6 \u00f7 ((5 \u00f7 4) - 1)
\u65e0\u89e3
(11*11-1)/5=24(2*5-7)*8=24
6/（5/4-1）=24
1: (11 × 11 - 1) ÷ 5
2: ((11 × 11) - 1) ÷ 5]
1: 8 × (5 × 2 - 7)
2: 8 × ((5 × 2) - 7)
3: 8 × (2 × 5 - 7)
4: 8 × ((2 × 5) - 7)
5: (5 × 2 - 7) × 8
6: ((5 × 2) - 7) × 8
7: (2 × 5 - 7) × 8
8: ((2 × 5) - 7) × 8
1: 6 ÷ (5 ÷ 4 - 1)
2: 6 ÷ ((5 ÷ 4) - 1)
3: 4 ÷ (1 - 5 ÷ 6)
4: 4 ÷ (1 - (5 ÷ 6))
1) (11×11-1)÷5=24
(2) (2×5-7)×8=24
(3) 4 ÷ (1 - 5 ÷ 6)=24
4 ÷ (1 - (5 ÷ 6))=24
6 ÷ (5 ÷ 4 - 1)=24
6 ÷ ((5 ÷ 4) - 1)=24
我这个是对的
11，11，1，5
8，5，2，7
1，4，5，6
好象都不行
(11*11-1)/5=24
(2*5-7)*8=24
6/（5/4-1）=24
相信我，没错。
1: (11 × 11 - 1) ÷ 5
2: ((11 × 11) - 1) ÷ 5]
1: 8 × (5 × 2 - 7)
2: 8 × ((5 × 2) - 7)
3: 8 × (2 × 5 - 7)
4: 8 × ((2 × 5) - 7)
5: (5 × 2 - 7) × 8
6: ((5 × 2) - 7) × 8
7: (2 × 5 - 7) × 8
8: ((2 × 5) - 7) × 8
1: 6 ÷ (5 ÷ 4 - 1)
2: 6 ÷ ((5 ÷ 4) - 1)
3: 4 ÷ (1 - 5 ÷ 6)
4: 4 ÷ (1 - (5 ÷ 6))
相信我
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