3、5、5、6 , 1、3、5、7, 1、3、7、9算24点

加减乘除随便用 算出来是24就可以了简单点 2年级要求好的加分

第1个回答  2008-12-04
[(5÷5)+3]×6=24

(5+1)×(7-3)=24

9÷3×(7+1)=24
第2个回答  2008-12-04
3、5、5、6
1: (3 + 5 ÷ 5) × 6
2: (3 + (5 ÷ 5)) × 6
3: (3 × (5 + 5)) - 6
4: 3 × (5 + 5) - 6
5: (5 + 5) × 3 - 6
6: ((5 + 5) × 3) - 6
7: (5 ÷ 5 + 3) × 6
8: ((5 ÷ 5) + 3) × 6
9: 6 × (3 + 5 ÷ 5)
10: 6 × (3 + (5 ÷ 5))
11: 6 × (5 ÷ 5 + 3)
12: 6 × ((5 ÷ 5) + 3)

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

1、3、7、9
1: 9 ÷ 3 ×(1 + 7)
2: (9 ÷ 3) × (1 + 7)
3: 9 ÷ (3 ÷ (1 + 7))
4: 9 ÷ 3 ×(7 + 1)
5: (9 ÷ 3) × (7 + 1)
6: 9 ÷ (3 ÷ (7 + 1))
7: (9 × (1 + 7)) ÷ 3
8: 9 × (1 + 7) ÷ 3
9: 9 × ((1 + 7) ÷ 3)
10: (9 × (7 + 1)) ÷ 3
11: 9 × (7 + 1) ÷ 3
12: 9 × ((7 + 1) ÷ 3)
13: (1 + 7) ÷ 3 × 9
14: ((1 + 7) ÷ 3) × 9
15: (1 + 7) ÷ (3 ÷ 9)
16: (1 + 7) × 9 ÷ 3
17: ((1 + 7) × 9) ÷ 3
18: (1 + 7) × (9 ÷ 3)
19: (7 + 1) ÷ 3 × 9
20: ((7 + 1) ÷ 3) × 9
21: (7 + 1) ÷ (3 ÷ 9)
22: (7 + 1) × 9 ÷ 3
23: ((7 + 1) × 9) ÷ 3
24: (7 + 1) × (9 ÷ 3)本回答被提问者采纳
第3个回答  2008-12-04
(3+5/5)*6=24

(3-1)*(5+7)=24

9/3*(1+7)=24
第4个回答  2008-12-04
3*(5+5)-6=24
(3-1)*(5+7)=24
(9/3)*(7+1)=24
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