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

3*(5+5)-6=24
(3-1)*(5+7)=24
(9/3)*(7+1)=24

[(5÷5）+3]×6=24
（5+1）×（7-3）=24
9÷3×（7+1）=24

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)

(3+5/5)*6=24
(3-1)*(5+7)=24
9/3*(1+7)=24