用數字加減乘除 整到佢24 點你們可不可以@@

..Q1. 5 , 1 , 3 , 4 ==

5 x 4 + 3 + 1

..Q2. 5 , 2 , 4 ,8 ==

5 x 4 + 8 / 2

..Q3. 1 , 2 , 10 ,3 ==

10 x 2 + 3 + 1

..Q4. 8 , 6 , 4 , 7 ==

6 x 4 x (8 - 7)

..Q5. 9 , 10 , 1 , 6==

10 + 9 + 6 - 1

..Q6. 2 , 6 , 4 , 7==

6 + 4 + (7 x 2)

..Q7. 2 , 10 , 3 , 4==

3 x 10 - 4 - 2

..Q8. 9 , 7 , 2 , 6 ==

6 x 2 x (9 - 7)

..Q9. 3 , 5 , 2 ,1 ==

(5 + 2 + 1) x 3

..Q10. 8 , 6 , 5 , 10 ==

6 x 8 / (10 / 5)

記住先乘除後加減喔...

1.
5 , 1 , 3 , 4

(1) 3*(5+4-1)=24
(2) 5*(1+3)+4=24
(3) 5*4+3+1=24

2.
5 , 2 , 4 , 8

(1) 4*(8-5)*2=24
(2) 8*(5-4+2)=24
(3) 8*5/2+4=24

3.
1 , 2 , 10 , 3

(1) 2*(10+3-1)=24
(2) 3*(10-2)*1=24
(3) (3-1)*(10+2)=24
(4) 2*10+3+1=24

4.
8 , 6 , 4 , 7

(1) 4*6*(8-7)=24
(2) 8*[6-(7-4)]=24
(3) 8*(6+4-7)=24

5.
9 , 10 , 1 , 6

(1) 10+9+6-1=24

6.
2 , 6 , 4 , 7

(1) 4*7-6+2=24

7.
2 , 10 , 3 , 4

(1) 10*3-4-2=24
(2) 2+10+3*4=24
(3) 3*(10-4+2)=24

8.
9 , 7 , 2 , 6

(1) 6*2*(9-7)=24
(2) 6*(9-7+2)=24

9.
3 , 5 , 2 ,1

(1) 3*(5+2+1)=24
(2) 2*3*(5-1)=24

10.
8 , 6 , 5 , 10

(1) (8-5)*10-6=24

1. 5*(1+3)+4

2. 5/(2/8)+4

3. 1+2*10+3

4. 6*4*(8-7)

5.

6.(2+6)*(7-4)

7.2+10+4*3

8.(9-7)*2*6

9.3*2*(5-1)

10.8*5*6/10

1. 5 , 1 , 3 , 4
=4x5+1+3
=20+1+3
=24

2. 5 , 2 , 4 , 8
=8x(5-4/2)
=8x(5-2)
=8x3
=24

3. 1 , 2 , 10 , 3
=(10+2)x(3-1)
=12x2
=24

4. 8 , 6 , 4 , 7
=(4x6)x(8-7)
=24x1
=24

5. 9 , 10 , 1 , 6
=9+10+6-1
=19+6-1
=25-1
=24

6. 2 , 6 , 4 , 7
=(2+6)x(7-4)
=8x3
=24

7. 2 , 10 , 3 , 4
=3x(10-4/2)
=3x(10-2)
=3x8
=24

8. 9 , 7 , 2 , 6
=(9-7)x(2x6)
=2x12
=24

9. 3 , 5 , 2 ,1
=3x(5+2+1)
=3x8
=24

10. 8 , 6 , 5 , 10
=6x[8/(10/5)]
=6x(8/2)
=6x4
24

1)
5(4)+1+3=24

2)
8(5-4+2)=24

3)
(10-2)(3)1=24

4)
8[4-(7-6)]=24

5)
6+10+9-1=24

6)
(6+2)(7-3)=24

7)
3(4)+2+10=24

8)
2(6)(9-7)=24

9)
(3+5)(2+1)=24

10)
8[6/(10/5)]=8(3)=24

2008-12-28 15:31:30 補充：
6)
(6+2)(7-4)=24

打錯 = =

2008-12-28 15:45:20 補充：
5數字???
第一個數唔係題號咩???

2008-12-28 16:05:28 補充：
5數字我都做到......